66611080

素因数分解:

$2^3\times 5^1\times {\mathrm{1665277}}^1$

素因数の和:1665288

約数の個数: 16

約数和(自身を含む): 149875020

約数和(自身を除く): 83263940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1665277, 3330554, 6661108, 8326385, 13322216, 16652770, 33305540, 66611080]

約数ペア:

[(1, 66611080), (2, 33305540), (4, 16652770), (5, 13322216), (8, 8326385), (10, 6661108), (20, 3330554), (40, 1665277)]