52821640

素因数分解:

$2^3\times 5^1\times {\mathrm{1320541}}^1$

素因数の和:1320552

約数の個数: 16

約数和(自身を含む): 118848780

約数和(自身を除く): 66027140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1320541, 2641082, 5282164, 6602705, 10564328, 13205410, 26410820, 52821640]

約数ペア:

[(1, 52821640), (2, 26410820), (4, 13205410), (5, 10564328), (8, 6602705), (10, 5282164), (20, 2641082), (40, 1320541)]