40537820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47137}}^1$

素因数の和:47189

約数の個数: 24

約数和(自身を含む): 87111024

約数和(自身を除く): 46573204

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 47137, 94274, 188548, 235685, 471370, 942740, 2026891, 4053782, 8107564, 10134455, 20268910, 40537820]

約数ペア:

[(1, 40537820), (2, 20268910), (4, 10134455), (5, 8107564), (10, 4053782), (20, 2026891), (43, 942740), (86, 471370), (172, 235685), (215, 188548), (430, 94274), (860, 47137)]