55285580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{394897}}^1$

素因数の和:394913

約数の個数: 24

約数和(自身を含む): 132685728

約数和(自身を除く): 77400148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 394897, 789794, 1579588, 1974485, 2764279, 3948970, 5528558, 7897940, 11057116, 13821395, 27642790, 55285580]

約数ペア:

[(1, 55285580), (2, 27642790), (4, 13821395), (5, 11057116), (7, 7897940), (10, 5528558), (14, 3948970), (20, 2764279), (28, 1974485), (35, 1579588), (70, 789794), (140, 394897)]