Q: What is the sum of all factors of the number 66,640 excluding 66,640?

A: 124,196

Why is 124,196 the sum of all factors of 66,640, excluding 66,640?

The factors of the number 66,640 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3332, 3920, 4165, 4760, 6664, 8330, 9520, 13328, 16660, 33320, 66640.

If you add them up, you will get the total of 66,764. Now subtract 66,640 to get 124,196