Q: What is the sum of all factors of the number 105,056,840 excluding 105,056,840?

A: 165,090,040

Why is 165,090,040 the sum of all factors of 105,056,840, excluding 105,056,840?

The factors of the number 105,056,840 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 375203, 750406, 1500812, 1876015, 2626421, 3001624, 3752030, 5252842, 7504060, 10505684, 13132105, 15008120, 21011368, 26264210, 52528420, 105056840.

If you add them up, you will get the total of 105,057,005. Now subtract 105,056,840 to get 165,090,040