42408340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163109}}^1$

素因数の和:163131

約数の個数: 24

約数和(自身を含む): 95908680

約数和(自身を除く): 53500340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 163109, 326218, 652436, 815545, 1631090, 2120417, 3262180, 4240834, 8481668, 10602085, 21204170, 42408340]

約数ペア:

[(1, 42408340), (2, 21204170), (4, 10602085), (5, 8481668), (10, 4240834), (13, 3262180), (20, 2120417), (26, 1631090), (52, 815545), (65, 652436), (130, 326218), (260, 163109)]