202020640

素因数分解:

$2^5\times 5^1\times {\mathrm{1262629}}^1$

素因数の和:1262644

約数の個数: 24

約数和(自身を含む): 477274140

約数和(自身を除く): 275253500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1262629, 2525258, 5050516, 6313145, 10101032, 12626290, 20202064, 25252580, 40404128, 50505160, 101010320, 202020640]

約数ペア:

[(1, 202020640), (2, 101010320), (4, 50505160), (5, 40404128), (8, 25252580), (10, 20202064), (16, 12626290), (20, 10101032), (32, 6313145), (40, 5050516), (80, 2525258), (160, 1262629)]