Q: What is the sum of all factors of the number 66,452,660 excluding 66,452,660?

A: 81,802,552

Why is 81,802,552 the sum of all factors of 66,452,660, excluding 66,452,660?

The factors of the number 66,452,660 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 11497, 22994, 45988, 57485, 114970, 195449, 229940, 390898, 781796, 977245, 1954490, 3322633, 3908980, 6645266, 13290532, 16613165, 33226330, 66452660.

If you add them up, you will get the total of 66,452,741. Now subtract 66,452,660 to get 81,802,552