Q: What is the sum of all factors of the number 1,280,260 excluding 1,280,260?
A: 1,408,328
The factors of the number 1,280,260 are: 1, 2, 4, 5, 10, 20, 64013, 128026, 256052, 320065, 640130, 1280260.
If you add them up, you will get the total of 1,280,261. Now subtract 1,280,260 to get 1,408,328