403775060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1552981}}^1$

素因数の和:1553003

約数の個数: 24

約数和(自身を含む): 913153416

約数和(自身を除く): 509378356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1552981, 3105962, 6211924, 7764905, 15529810, 20188753, 31059620, 40377506, 80755012, 100943765, 201887530, 403775060]

約数ペア:

[(1, 403775060), (2, 201887530), (4, 100943765), (5, 80755012), (10, 40377506), (13, 31059620), (20, 20188753), (26, 15529810), (52, 7764905), (65, 6211924), (130, 3105962), (260, 1552981)]