Q: What is the sum of all factors of the number 25,400 excluding 25,400?
A: 34,120
The factors of the number 25,400 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 1016, 1270, 2540, 3175, 5080, 6350, 12700, 25400.
If you add them up, you will get the total of 25,434. Now subtract 25,400 to get 34,120