38989820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45337}}^1$

素因数の和:45389

約数の個数: 24

約数和(自身を含む): 83784624

約数和(自身を除く): 44794804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 45337, 90674, 181348, 226685, 453370, 906740, 1949491, 3898982, 7797964, 9747455, 19494910, 38989820]

約数ペア:

[(1, 38989820), (2, 19494910), (4, 9747455), (5, 7797964), (10, 3898982), (20, 1949491), (43, 906740), (86, 453370), (172, 226685), (215, 181348), (430, 90674), (860, 45337)]