66312040

素因数分解:

$2^3\times 5^1\times {\mathrm{1657801}}^1$

素因数の和:1657812

約数の個数: 16

約数和(自身を含む): 149202180

約数和(自身を除く): 82890140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657801, 3315602, 6631204, 8289005, 13262408, 16578010, 33156020, 66312040]

約数ペア:

[(1, 66312040), (2, 33156020), (4, 16578010), (5, 13262408), (8, 8289005), (10, 6631204), (20, 3315602), (40, 1657801)]