54112220

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2099}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 113778000

約数和(自身を除く): 59665780

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2099, 2578, 4198, 5156, 6445, 8396, 10495, 12890, 20990, 25780, 41980, 2705611, 5411222, 10822444, 13528055, 27056110, 54112220]

約数ペア:

[(1, 54112220), (2, 27056110), (4, 13528055), (5, 10822444), (10, 5411222), (20, 2705611), (1289, 41980), (2099, 25780), (2578, 20990), (4198, 12890), (5156, 10495), (6445, 8396)]