16645580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{118897}}^1$

素因数の和:118913

約数の個数: 24

約数和(自身を含む): 39949728

約数和(自身を除く): 23304148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 118897, 237794, 475588, 594485, 832279, 1188970, 1664558, 2377940, 3329116, 4161395, 8322790, 16645580]

約数ペア:

[(1, 16645580), (2, 8322790), (4, 4161395), (5, 3329116), (7, 2377940), (10, 1664558), (14, 1188970), (20, 832279), (28, 594485), (35, 475588), (70, 237794), (140, 118897)]