Q: What is the sum of all factors of the number 425,244,625 excluding 425,244,625?

A: 150,073,391

Why is 150,073,391 the sum of all factors of 425,244,625, excluding 425,244,625?

The factors of the number 425,244,625 are: 1, 5, 13, 25, 65, 125, 167, 325, 835, 1567, 1625, 2171, 4175, 7835, 10855, 20371, 20875, 39175, 54275, 101855, 195875, 261689, 271375, 509275, 1308445, 2546375, 3401957, 6542225, 17009785, 32711125, 85048925, 425244625.

If you add them up, you will get the total of 425,244,775. Now subtract 425,244,625 to get 150,073,391