Q: What is the sum of all factors of the number 647,515,720 excluding 647,515,720?

A: 895,096,880

Why is 895,096,880 the sum of all factors of 647,515,720, excluding 647,515,720?

The factors of the number 647,515,720 are: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 952229, 1904458, 3808916, 4761145, 7617832, 9522290, 16187893, 19044580, 32375786, 38089160, 64751572, 80939465, 129503144, 161878930, 323757860, 647515720.

If you add them up, you will get the total of 647,516,615. Now subtract 647,515,720 to get 895,096,880