40026740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153949}}^1$

素因数の和:153971

約数の個数: 24

約数和(自身を含む): 90522600

約数和(自身を除く): 50495860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153949, 307898, 615796, 769745, 1539490, 2001337, 3078980, 4002674, 8005348, 10006685, 20013370, 40026740]

約数ペア:

[(1, 40026740), (2, 20013370), (4, 10006685), (5, 8005348), (10, 4002674), (13, 3078980), (20, 2001337), (26, 1539490), (52, 769745), (65, 615796), (130, 307898), (260, 153949)]