Q: What is the sum of all factors of the number 1,581,280 excluding 1,581,280?
A: 2,154,872
The factors of the number 1,581,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 9883, 19766, 39532, 49415, 79064, 98830, 158128, 197660, 316256, 395320, 790640, 1581280.
If you add them up, you will get the total of 1,581,282. Now subtract 1,581,280 to get 2,154,872