201621320

素因数分解:

$2^3\times 5^1\times {\mathrm{5040533}}^1$

素因数の和:5040544

約数の個数: 16

約数和(自身を含む): 453648060

約数和(自身を除く): 252026740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040533, 10081066, 20162132, 25202665, 40324264, 50405330, 100810660, 201621320]

約数ペア:

[(1, 201621320), (2, 100810660), (4, 50405330), (5, 40324264), (8, 25202665), (10, 20162132), (20, 10081066), (40, 5040533)]