Q: What is the sum of all factors of the number 129,798,320 excluding 129,798,320?

Why is 171,982,960 the sum of all factors of 129,798,320, excluding 129,798,320?

The factors of the number 129,798,320 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1622479, 3244958, 6489916, 8112395, 12979832, 16224790, 25959664, 32449580, 64899160, 129798320.

If you add them up, you will get the total of 129,798,491. Now subtract 129,798,320 to get 171,982,960

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