80655040

素因数分解:

$2^6\times 5^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1145

約数の個数: 56

約数和(自身を含む): 192920112

約数和(自身を除く): 112265072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 307, 320, 614, 821, 1228, 1535, 1642, 2456, 3070, 3284, 4105, 4912, 6140, 6568, 8210, 9824, 12280, 13136, 16420, 19648, 24560, 26272, 32840, 49120, 52544, 65680, 98240, 131360, 252047, 262720, 504094, 1008188, 1260235, 2016376, 2520470, 4032752, 5040940, 8065504, 10081880, 16131008, 20163760, 40327520, 80655040]

約数ペア:

[(1, 80655040), (2, 40327520), (4, 20163760), (5, 16131008), (8, 10081880), (10, 8065504), (16, 5040940), (20, 4032752), (32, 2520470), (40, 2016376), (64, 1260235), (80, 1008188), (160, 504094), (307, 262720), (320, 252047), (614, 131360), (821, 98240), (1228, 65680), (1535, 52544), (1642, 49120), (2456, 32840), (3070, 26272), (3284, 24560), (4105, 19648), (4912, 16420), (6140, 13136), (6568, 12280), (8210, 9824)]