Q: What is the sum of all factors of the number 120,640 including 120,640?

A: 320,040

Why is 320,040 the sum of all factors of 120,640, including 120,640?

The factors of the number 120,640 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 320, 377, 416, 464, 520, 580, 754, 832, 928, 1040, 1160, 1508, 1856, 1885, 2080, 2320, 3016, 3770, 4160, 4640, 6032, 7540, 9280, 12064, 15080, 24128, 30160, 60320, 120640.

If you add them up, you will get the total of 320,040.