165408220

素因数分解:

$2^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{3881}}^1$

素因数の和:6021

約数の個数: 24

約数和(自身を含む): 347609808

約数和(自身を除く): 182201588

約数列:

[1, 2, 4, 5, 10, 20, 2131, 3881, 4262, 7762, 8524, 10655, 15524, 19405, 21310, 38810, 42620, 77620, 8270411, 16540822, 33081644, 41352055, 82704110, 165408220]

約数ペア:

[(1, 165408220), (2, 82704110), (4, 41352055), (5, 33081644), (10, 16540822), (20, 8270411), (2131, 77620), (3881, 42620), (4262, 38810), (7762, 21310), (8524, 19405), (10655, 15524)]