Q: What is the sum of all factors of the number 47,740 excluding 47,740?

A: 81,284

Why is 81,284 the sum of all factors of 47,740, excluding 47,740?

The factors of the number 47,740 are: 1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 2170, 2387, 3410, 4340, 4774, 6820, 9548, 11935, 23870, 47740.

If you add them up, you will get the total of 47,821. Now subtract 47,740 to get 81,284