79984900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{27581}}^1$

素因数の和:27624

約数の個数: 36

約数和(自身を含む): 179558820

約数和(自身を除く): 99573920

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 27581, 55162, 110324, 137905, 275810, 551620, 689525, 799849, 1379050, 1599698, 2758100, 3199396, 3999245, 7998490, 15996980, 19996225, 39992450, 79984900]

約数ペア:

[(1, 79984900), (2, 39992450), (4, 19996225), (5, 15996980), (10, 7998490), (20, 3999245), (25, 3199396), (29, 2758100), (50, 1599698), (58, 1379050), (100, 799849), (116, 689525), (145, 551620), (290, 275810), (580, 137905), (725, 110324), (1450, 55162), (2900, 27581)]