#include <cstdio>
using namespace std;
long long int p[100005],x,n,j,i;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(i=1;i<=100000;i++){p[i]=i-1;}
    for(i=2;i<=100000;i++){for(j=2*i;j<=100000;j+=i){p[j]-=p[i];}}
    scanf("%d",&n);
    for(i=1;i<=n;i++){scanf("%d",&x);printf("%lld\n",2*x*p[x]);}
    return 0;
}