61680580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{237233}}^1$

素因数の和:237255

約数の個数: 24

約数和(自身を含む): 139493592

約数和(自身を除く): 77813012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 237233, 474466, 948932, 1186165, 2372330, 3084029, 4744660, 6168058, 12336116, 15420145, 30840290, 61680580]

約数ペア:

[(1, 61680580), (2, 30840290), (4, 15420145), (5, 12336116), (10, 6168058), (13, 4744660), (20, 3084029), (26, 2372330), (52, 1186165), (65, 948932), (130, 474466), (260, 237233)]