Q: What is the sum of all factors of the number 1,280,560 excluding 1,280,560?
A: 1,696,928
The factors of the number 1,280,560 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16007, 32014, 64028, 80035, 128056, 160070, 256112, 320140, 640280, 1280560.
If you add them up, you will get the total of 1,280,561. Now subtract 1,280,560 to get 1,696,928