Q: What is the sum of all factors of the number 679,640 excluding 679,640?
A: 968,440
The factors of the number 679,640 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1307, 2614, 5228, 6535, 10456, 13070, 16991, 26140, 33982, 52280, 67964, 84955, 135928, 169910, 339820, 679640.
If you add them up, you will get the total of 680,608. Now subtract 679,640 to get 968,440