49408180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31271}}^1$

素因数の和:31359

約数の個数: 24

約数和(自身を含む): 105073920

約数和(自身を除く): 55665740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 31271, 62542, 125084, 156355, 312710, 625420, 2470409, 4940818, 9881636, 12352045, 24704090, 49408180]

約数ペア:

[(1, 49408180), (2, 24704090), (4, 12352045), (5, 9881636), (10, 4940818), (20, 2470409), (79, 625420), (158, 312710), (316, 156355), (395, 125084), (790, 62542), (1580, 31271)]