38817820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45137}}^1$

素因数の和:45189

約数の個数: 24

約数和(自身を含む): 83415024

約数和(自身を除く): 44597204

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 45137, 90274, 180548, 225685, 451370, 902740, 1940891, 3881782, 7763564, 9704455, 19408910, 38817820]

約数ペア:

[(1, 38817820), (2, 19408910), (4, 9704455), (5, 7763564), (10, 3881782), (20, 1940891), (43, 902740), (86, 451370), (172, 225685), (215, 180548), (430, 90274), (860, 45137)]