#include<cstdio>
const int N=100000;
int e[N+1];
int main(){
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(int i=1;i<=N;i++)
        e[i]=i-1;
    for(int i=2;i<=N;i++)
        for(int j=i*2;j<=N;j+=i)
            e[j]-=e[i];
    int t;
    scanf("%d",&t);
    while(t--){
        int n;
        scanf("%d",&n);
        printf("%d\n",2*n*e[n]);
    }
    return 0;
}