71143540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273629}}^1$

素因数の和:273651

約数の個数: 24

約数和(自身を含む): 160894440

約数和(自身を除く): 89750900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 273629, 547258, 1094516, 1368145, 2736290, 3557177, 5472580, 7114354, 14228708, 17785885, 35571770, 71143540]

約数ペア:

[(1, 71143540), (2, 35571770), (4, 17785885), (5, 14228708), (10, 7114354), (13, 5472580), (20, 3557177), (26, 2736290), (52, 1368145), (65, 1094516), (130, 547258), (260, 273629)]