Q: What is the sum of all factors of the number 130,440 excluding 130,440?

 A: 261,240

Why is 261,240 the sum of all factors of 130,440, excluding 130,440?

The factors of the number 130,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1087, 2174, 3261, 4348, 5435, 6522, 8696, 10870, 13044, 16305, 21740, 26088, 32610, 43480, 65220, 130440.

If you add them up, you will get the total of 130,701. Now subtract 130,440 to get 261,240


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