660244540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{202529}}^1$

素因数の和:202701

約数の個数: 24

約数和(自身を含む): 1395026640

約数和(自身を除く): 734782100

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 202529, 405058, 810116, 1012645, 2025290, 4050580, 33012227, 66024454, 132048908, 165061135, 330122270, 660244540]

約数ペア:

[(1, 660244540), (2, 330122270), (4, 165061135), (5, 132048908), (10, 66024454), (20, 33012227), (163, 4050580), (326, 2025290), (652, 1012645), (815, 810116), (1630, 405058), (3260, 202529)]