80821811020

素因数分解:

$2^2\times 5^1\times {\mathrm{5441}}^1\times {\mathrm{742711}}^1$

素因数の和:748161

約数の個数: 24

約数和(自身を含む): 169757225568

約数和(自身を除く): 88935414548

約数列:

[1, 2, 4, 5, 10, 20, 5441, 10882, 21764, 27205, 54410, 108820, 742711, 1485422, 2970844, 3713555, 7427110, 14854220, 4041090551, 8082181102, 16164362204, 20205452755, 40410905510, 80821811020]

約数ペア:

[(1, 80821811020), (2, 40410905510), (4, 20205452755), (5, 16164362204), (10, 8082181102), (20, 4041090551), (5441, 14854220), (10882, 7427110), (21764, 3713555), (27205, 2970844), (54410, 1485422), (108820, 742711)]