84542180

素因数分解:

$2^2\times 5^1\times {\mathrm{4227109}}^1$

素因数の和:4227118

約数の個数: 12

約数和(自身を含む): 177538620

約数和(自身を除く): 92996440

約数列:

[1, 2, 4, 5, 10, 20, 4227109, 8454218, 16908436, 21135545, 42271090, 84542180]

約数ペア:

[(1, 84542180), (2, 42271090), (4, 21135545), (5, 16908436), (10, 8454218), (20, 4227109)]