// yukicoder 339 (http://yukicoder.me/problems/776)
#include<cstdio>
#define rep(i,a) for(int i=0;i<(a);++i)

const int MAX_N = 100;

int N;
int A[MAX_N];

int gcd( int a, int b )
{ return b ? gcd( b, a%b ) : a; }

int main()
{
	scanf( "%d", &N );
	rep( i, N )
		scanf( "%d", A+i );

	int g = gcd( A[0], A[1] );
	rep( i, N-2 )
		g = gcd( g, A[i+2] );
	
	int ans = 0;
	rep( i, N )
		ans += A[i]/g;

	printf( "%d\n", ans );

	return 0;
}