31706740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121949}}^1$

素因数の和:121971

約数の個数: 24

約数和(自身を含む): 71706600

約数和(自身を除く): 39999860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121949, 243898, 487796, 609745, 1219490, 1585337, 2438980, 3170674, 6341348, 7926685, 15853370, 31706740]

約数ペア:

[(1, 31706740), (2, 15853370), (4, 7926685), (5, 6341348), (10, 3170674), (13, 2438980), (20, 1585337), (26, 1219490), (52, 609745), (65, 487796), (130, 243898), (260, 121949)]