65112140

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7349}}^1$

素因数の和:7801

約数の個数: 24

約数和(自身を含む): 137062800

約数和(自身を除く): 71950660

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7349, 8860, 14698, 29396, 36745, 73490, 146980, 3255607, 6511214, 13022428, 16278035, 32556070, 65112140]

約数ペア:

[(1, 65112140), (2, 32556070), (4, 16278035), (5, 13022428), (10, 6511214), (20, 3255607), (443, 146980), (886, 73490), (1772, 36745), (2215, 29396), (4430, 14698), (7349, 8860)]