66156040

素因数分解:

$2^3\times 5^1\times {\mathrm{1653901}}^1$

素因数の和:1653912

約数の個数: 16

約数和(自身を含む): 148851180

約数和(自身を除く): 82695140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1653901, 3307802, 6615604, 8269505, 13231208, 16539010, 33078020, 66156040]

約数ペア:

[(1, 66156040), (2, 33078020), (4, 16539010), (5, 13231208), (8, 8269505), (10, 6615604), (20, 3307802), (40, 1653901)]