66765080

素因数分解:

$2^3\times 5^1\times {\mathrm{1669127}}^1$

素因数の和:1669138

約数の個数: 16

約数和(自身を含む): 150221520

約数和(自身を除く): 83456440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1669127, 3338254, 6676508, 8345635, 13353016, 16691270, 33382540, 66765080]

約数ペア:

[(1, 66765080), (2, 33382540), (4, 16691270), (5, 13353016), (8, 8345635), (10, 6676508), (20, 3338254), (40, 1669127)]