Q: What is the sum of all factors of the number 31,438,080 excluding 31,438,080?

 A: 77,374,260

Why is 77,374,260 the sum of all factors of 31,438,080, excluding 31,438,080?

The factors of the number 31,438,080 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2729, 2880, 3840, 5458, 5760, 8187, 10916, 11520, 13645, 16374, 21832, 24561, 27290, 32748, 40935, 43664, 49122, 54580, 65496, 81870, 87328, 98244, 109160, 122805, 130992, 163740, 174656, 196488, 218320, 245610, 261984, 327480, 349312, 392976, 436640, 491220, 523968, 654960, 698624, 785952, 873280, 982440, 1047936, 1309920, 1571904, 1746560, 1964880, 2095872, 2619840, 3143808, 3493120, 3929760, 5239680, 6287616, 7859520, 10479360, 15719040, 31438080.

If you add them up, you will get the total of 31,438,157. Now subtract 31,438,080 to get 77,374,260


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