40327520

素因数分解:

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

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 95700528

約数和(自身を除く): 55373008

約数列:

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

約数ペア:

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