66516040

素因数分解:

$2^3\times 5^1\times {\mathrm{1662901}}^1$

素因数の和:1662912

約数の個数: 16

約数和(自身を含む): 149661180

約数和(自身を除く): 83145140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1662901, 3325802, 6651604, 8314505, 13303208, 16629010, 33258020, 66516040]

約数ペア:

[(1, 66516040), (2, 33258020), (4, 16629010), (5, 13303208), (8, 8314505), (10, 6651604), (20, 3325802), (40, 1662901)]