#include <cstdio>
using namespace std;

FILE *f=fopen ("sum.in","r");
FILE *g=fopen ("sum.out","w");

int phi[100005];

int main(){
    int n,x;

    for (int i=1;i<=100000;++i)
        phi[i]=i-1;
    for (int i=2;i<=100000;++i){
        for (int j=i+i;j<=100000;j+=i){
            phi[j]-=phi[i];
        }
    }

    fscanf (f,"%d",&n);

    for (int i=1;i<=n;++i){
        fscanf (f,"%d",&x);
        fprintf (g,"%lld\n",1LL*2*phi[x]*x);
    }

    return 0;
}