Q: What is the sum of all factors of the number 664,065,320 excluding 664,065,320?

 A: 830,081,740

Why is 830,081,740 the sum of all factors of 664,065,320, excluding 664,065,320?

The factors of the number 664,065,320 are: 1, 2, 4, 5, 8, 10, 20, 40, 16601633, 33203266, 66406532, 83008165, 132813064, 166016330, 332032660, 664065320.

If you add them up, you will get the total of 664,066,150. Now subtract 664,065,320 to get 830,081,740


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