Q: What is the sum of all factors of the number 1,287,080 excluding 1,287,080?
A: 1,736,920
The factors of the number 1,287,080 are: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1399, 2798, 5596, 6995, 11192, 13990, 27980, 32177, 55960, 64354, 128708, 160885, 257416, 321770, 643540, 1287080.
If you add them up, you will get the total of 1,287,081. Now subtract 1,287,080 to get 1,736,920