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

using ll = long long;
#define rep(i, n) for(int i = 0; i < n; i++)

int main() {
	int N;
	cin >> N;
	vector<int> a(N);
	rep(i, N) cin >> a[i];
	int d = 0, ans = 0;
	rep(i, N) d = __gcd(d, a[i]);
	rep(i, N) ans += a[i] / d;
	cout << ans << endl;
}