12916040

素因数分解:

$2^3\times 5^1\times {\mathrm{322901}}^1$

素因数の和:322912

約数の個数: 16

約数和(自身を含む): 29061180

約数和(自身を除く): 16145140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322901, 645802, 1291604, 1614505, 2583208, 3229010, 6458020, 12916040]

約数ペア:

[(1, 12916040), (2, 6458020), (4, 3229010), (5, 2583208), (8, 1614505), (10, 1291604), (20, 645802), (40, 322901)]