#include <iostream>
#include <vector>
#include <map>
using namespace std;

int main() {
  cin.tie(0);
  ios_base::sync_with_stdio(false);

  int N; cin >> N;
  vector<int> A(N);
  map<int, long long> mp;

  int g = 0;
  long long sum = 0;
  for(int i = 0; i < N; ++i) {
    cin >> A[i];
    sum += A[i];
    // calc gcd
    int a = g, b = A[i];
    while(true) {
      if(a < b) swap(a, b);
      if(b == 0) break;
      int c = b;
      while(__builtin_clz(a) != __builtin_clz(c)) c <<= 1;
      c = a ^ c;
      a = b, b = c;
    }
    g = a;

    // calc divisors of A[i]
    int n = A[i];
    for(int j = 1; j * j <= n; ++j) {
      if(n % j == 0) {
        mp[j] += A[i] - n / j;
        if(n / j != j) mp[n / j] += A[i] - j;
      }
    }
  }

  long long ans = 0;
  for(auto m : mp) {
    int div = m.first;
    while(div >= g) {
      int h = g;
      while(__builtin_clz(div) != __builtin_clz(h)) h <<= 1;
      div ^= h;
    }
    if(div == 0) ans = max(ans, m.second);
  }

  cout << sum - ans << '\n';
  return 0;
}