#include <bits/stdc++.h>
using namespace std;

vector<int> dv[100010];
long long sum[100010];

void calc_div() {
    for (int i = 2; i <= 100000; i++) {
        for (int j = i; j <= 100000; j += i) {
            dv[j].emplace_back(i);
        }
    }
}

void gj(vector<long long> &v) {
    int pv = 0; int n = v.size();
    for (int k = 16; k >= 0; k--) {
        for (int i = pv; i < n; i++) {
            if (v[i] & (1 << k)) {
                swap(v[pv], v[i]);
                break;
            }
        }
        if (v[pv] & (1 << k)) {
            for (int i = 0; i < n; i++) {
                if (i == pv) continue;
                if (v[i] & (1 << k)) {
                    v[i] ^= v[pv];
                }
            }
            pv++;
        }
        if (pv == n) break;
    }
}

int main() {
    calc_div();
    int n; cin >> n;
    long long all = 0;
    vector<long long> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i]; all += a[i];
        for (auto &d: dv[a[i]]) sum[d] -= a[i] - a[i] / d;
    }
    for (int i = 0; i <= 100000; i++) sum[i] += all;
    
    set<long long> s;
    for (int i = 0; i < n; i++) {
        while (a[i] < (1 << 17)) {
            s.insert(a[i]); a[i] *= 2;
        }
    }
    vector<long long> b;
    for (auto &x: s) b.emplace_back(x);
    gj(b);
    
    long long ans = 1e18;
    for (int x = 1; x <= 100000; x++) {
        int t = x;
        for (int i = 0; i < min(18, (int) b.size()); i++) {
            if ((t ^ b[i]) < t) t ^= b[i];
        }
        if (t == 0) ans = min(ans, sum[x]);
    }
    cout << ans << endl;
    return 0;
}