#include <bits/stdc++.h>
//#include <atcoder/all>
using namespace std;
//using namespace atcoder;
//using mint = modint1000000007;
//const int mod = 1000000007;
//using mint = modint998244353;
//const int mod = 998244353;
//const int INF = 1e9;
const long long LINF = 1e18;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep2(i,l,r)for(int i=(l);i<(r);++i)
#define rrep(i, n) for (int i = (n-1); i >= 0; --i)
#define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i)
#define all(x) (x).begin(),(x).end()
#define allR(x) (x).rbegin(),(x).rend()
#define endl "\n"
#define P pair<int,int>
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
int	clz(int x) {
	int ret = 0;
	rrep(i, 30) {
		if (1 & (x >> i))break;
		ret++;
	}
	return ret;
}
int gcd(int x, int y) {
	if (x < y)swap(x, y);
	if (0 == y)return x;
	int z = y;
	while (clz(x) != clz(z)) z <<= 1;
	return gcd(y, x^z);
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int n; cin >> n;
	long long sum = 0;
	vector<int>cnt(100005);
	vector<int>a(n);
	int g = 0;
	rep(i, n) {
		cin >> a[i];
		g = gcd(g, a[i]);
		cnt[a[i]]++;
		sum += a[i];
	}
	vector<long long>memo(100001);
	long long ans = LINF;
	rep2(i, 1, 100001) {
		memo[i] = sum;
		for (int j = i; j < 100001; j += i) {
			memo[i] -= 1LL * cnt[j] * j;
			memo[i] += 1LL * cnt[j] * (j / i);
		}
		if (0 == i % g)chmin(ans, memo[i]);
	}
	cout << ans << endl;
	return 0;
}