#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;
    ll S=0;
    vector<int> A(N);
    rep(i,N){
        cin>>A[i];
        M=max(M, A[i]);
        G=GCD(G, A[i]);
        S += A[i];
    }
    vector<ll> mi(M+1, 0);
    vector<vector<int>> div(M+1);
    for(int i=1;i<=M;++i){
        for(int j=i;j<=M;j+=i){
            div[j].push_back(i);
        }
    }
    rep(i,N){
        for(auto y:div[A[i]]){
            mi[y]+=A[i]-A[i]/y;
        }
    }
    ll X=S;
    rep(i,2,M+1){
    	int tmp=i;
    	if(tmp%G!=0) continue;
    	tmp/=G;
    	while(tmp%2==0){
    		tmp/=2;
    	}
        if(tmp==1) X = min(X, S-mi[i]);
    }
    cout<<X<<endl;
}