133687640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{33091}}^1$

素因数の和:33203

約数の個数: 32

約数和(自身を含む): 303784560

約数和(自身を除く): 170096920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 33091, 66182, 132364, 165455, 264728, 330910, 661820, 1323640, 3342191, 6684382, 13368764, 16710955, 26737528, 33421910, 66843820, 133687640]

約数ペア:

[(1, 133687640), (2, 66843820), (4, 33421910), (5, 26737528), (8, 16710955), (10, 13368764), (20, 6684382), (40, 3342191), (101, 1323640), (202, 661820), (404, 330910), (505, 264728), (808, 165455), (1010, 132364), (2020, 66182), (4040, 33091)]