Q: What is the sum of all factors of the number 1,287,040 excluding 1,287,040?
A: 1,791,320
The factors of the number 1,287,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2011, 4022, 8044, 10055, 16088, 20110, 32176, 40220, 64352, 80440, 128704, 160880, 257408, 321760, 643520, 1287040.
If you add them up, you will get the total of 1,287,041. Now subtract 1,287,040 to get 1,791,320