205045240

素因数分解:

$2^3\times 5^1\times {\mathrm{5126131}}^1$

素因数の和:5126142

約数の個数: 16

約数和(自身を含む): 461351880

約数和(自身を除く): 256306640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5126131, 10252262, 20504524, 25630655, 41009048, 51261310, 102522620, 205045240]

約数ペア:

[(1, 205045240), (2, 102522620), (4, 51261310), (5, 41009048), (8, 25630655), (10, 20504524), (20, 10252262), (40, 5126131)]