66645080

素因数分解:

$2^3\times 5^1\times {\mathrm{1666127}}^1$

素因数の和:1666138

約数の個数: 16

約数和(自身を含む): 149951520

約数和(自身を除く): 83306440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1666127, 3332254, 6664508, 8330635, 13329016, 16661270, 33322540, 66645080]

約数ペア:

[(1, 66645080), (2, 33322540), (4, 16661270), (5, 13329016), (8, 8330635), (10, 6664508), (20, 3332254), (40, 1666127)]