// includes {{{
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<stack>
#include<queue>
#include<map>
#include<set>
#include<tuple>
#include<cmath>
#include<random>
#include<cassert>
#include<bitset>
#include<cstdlib>
// #include<deque>
// #include<multiset>
// #include<cstring>
// #include<bits/stdc++.h>
// }}}
using namespace std;
using ll = long long;

int main() {
  std::ios::sync_with_stdio(false), std::cin.tie(0);
  int n;
  cin >> n;
  vector<ll> cnt(112345);
  ll sum = 0;
  ll g = 0;
  for(int i = 0; i < n; i++) {
    int a;
    cin >> a;
    cnt[a]++;
    g = __gcd<ll>(g, a);
    sum += a;
    if(cnt[a] == n) {
      cout << n << endl;
      return 0;
    }
  }

  ll ans = 1e18;
  for(ll i = g; i <= 100000; i += g) {
    ll res = sum;
    for(ll j = i; j <= 100000; j += i) {
      res -= cnt[j] * j;
      res += cnt[j] * j / i;
    }
    ans = min(ans, res);
  }

  cout << ans << endl;
  return 0;
}