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

int gcd(int x,int y){
	while(x != y){
		if(x > y) x -= y;
		else y -= x;
	}
	return x;
}
int main(){
	long long n;
	cin >> n;
	vector<long long> a(n);
	for(auto &x:a) cin >> x;
	sort(a.begin(),a.end());
	int ans = 0, g = a[0];
	for(int i = 1; i < n; i++) g = min(g,gcd(g,a[i]));
	for(int i = 0; i < n; i++) ans += a[i] / g;
	cout << ans << endl;
	return 0;
}