66291080

素因数分解:

$2^3\times 5^1\times {\mathrm{1657277}}^1$

素因数の和:1657288

約数の個数: 16

約数和(自身を含む): 149155020

約数和(自身を除く): 82863940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657277, 3314554, 6629108, 8286385, 13258216, 16572770, 33145540, 66291080]

約数ペア:

[(1, 66291080), (2, 33145540), (4, 16572770), (5, 13258216), (8, 8286385), (10, 6629108), (20, 3314554), (40, 1657277)]