520080340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2000309}}^1$

素因数の和:2000331

約数の個数: 24

約数和(自身を含む): 1176182280

約数和(自身を除く): 656101940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2000309, 4000618, 8001236, 10001545, 20003090, 26004017, 40006180, 52008034, 104016068, 130020085, 260040170, 520080340]

約数ペア:

[(1, 520080340), (2, 260040170), (4, 130020085), (5, 104016068), (10, 52008034), (13, 40006180), (20, 26004017), (26, 20003090), (52, 10001545), (65, 8001236), (130, 4000618), (260, 2000309)]