Q: What is the sum of all factors of the number 33,440 excluding 33,440?

A: 57,280

Why is 57,280 the sum of all factors of 33,440, excluding 33,440?

The factors of the number 33,440 are: 1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 880, 1045, 1520, 1672, 1760, 2090, 3040, 3344, 4180, 6688, 8360, 16720, 33440.

If you add them up, you will get the total of 33,497. Now subtract 33,440 to get 57,280