40375660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155291}}^1$

素因数の和:155313

約数の個数: 24

約数和(自身を含む): 91311696

約数和(自身を除く): 50936036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155291, 310582, 621164, 776455, 1552910, 2018783, 3105820, 4037566, 8075132, 10093915, 20187830, 40375660]

約数ペア:

[(1, 40375660), (2, 20187830), (4, 10093915), (5, 8075132), (10, 4037566), (13, 3105820), (20, 2018783), (26, 1552910), (52, 776455), (65, 621164), (130, 310582), (260, 155291)]