Q: What is the sum of all factors of the number 13,900 excluding 13,900?
A: 16,480
The factors of the number 13,900 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900.
If you add them up, you will get the total of 13,916. Now subtract 13,900 to get 16,480