8889820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10337}}^1$

素因数の和:10389

約数の個数: 24

約数和(自身を含む): 19104624

約数和(自身を除く): 10214804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10337, 20674, 41348, 51685, 103370, 206740, 444491, 888982, 1777964, 2222455, 4444910, 8889820]

約数ペア:

[(1, 8889820), (2, 4444910), (4, 2222455), (5, 1777964), (10, 888982), (20, 444491), (43, 206740), (86, 103370), (172, 51685), (215, 41348), (430, 20674), (860, 10337)]