Q: What is the sum of all factors of the number 777,040 excluding 777,040?

A: 1,196,048

Why is 1,196,048 the sum of all factors of 777,040, excluding 777,040?

The factors of the number 777,040 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 883, 1766, 3532, 4415, 7064, 8830, 9713, 14128, 17660, 19426, 35320, 38852, 48565, 70640, 77704, 97130, 155408, 194260, 388520, 777040.

If you add them up, you will get the total of 777,041. Now subtract 777,040 to get 1,196,048