40345370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23873}}^1$

素因数の和:23906

約数の個数: 24

約数和(自身を含む): 78640956

約数和(自身を除く): 38295586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 23873, 47746, 119365, 238730, 310349, 620698, 1551745, 3103490, 4034537, 8069074, 20172685, 40345370]

約数ペア:

[(1, 40345370), (2, 20172685), (5, 8069074), (10, 4034537), (13, 3103490), (26, 1551745), (65, 620698), (130, 310349), (169, 238730), (338, 119365), (845, 47746), (1690, 23873)]