#include"bits/stdc++.h"
#define _overload3(_1,_2,_3,name,...) name
#define _rep(i,n) repi(i,0,n)
#define repi(i,a,b) for(int i=(a);i<(b);++i)
#define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__)
#define All(x) (x).begin(),(x).end()
#define rAll(x) (x).rbegin(),(x).rend()
using namespace std;
using ll = long long;


int gcd(int x,int y){return y?gcd(y,x%y):x;}

int GCD(int x,int y){
    if(x>y) swap(x,y);
    int Lx=32-__builtin_clz(x),Ly=32-__builtin_clz(y);
    return x?GCD(x,y^(x<<(Ly-Lx))):y;
}

bool Usable(int x,int g){
    int Lx=32-__builtin_clz(x),Lg=32-__builtin_clz(g);
    while(Lx>=Lg&&x!=0){
        x^=g<<(Lx-Lg);
        Lx=32-__builtin_clz(x);
    }
    return x==0;
}

int main(){
    int N;cin>>N;
    int M=0, G=0;
    vector<int> A(N);
    ll S=0;
    rep(i,N){
        cin>>A[i];
        M=max(M, A[i]);
        G=GCD(G, A[i]);
        S+=A[i];
    }
    
    ll X=S;
    rep(i,2,M+1) if(Usable(i,G)){
    	ll T=0;
    	rep(j,N){
    		if(A[j]%i==0) T+=A[j]/i;
    		else T+=A[j];
    	}
    	X = min(X, T);
    }
    cout<<X<<endl;
}