25230.0000000

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{20129}}^1$

素因数の和:20155

約数の個数: 18

約数和(自身を含む): 18741030

約数和(自身を除く): 8998594

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 20129, 40258, 80516, 221419, 442838, 885676, 2435609, 4871218, 9742436]

約数ペア:

[(1, 9742436), (2, 4871218), (4, 2435609), (11, 885676), (22, 442838), (44, 221419), (121, 80516), (242, 40258), (484, 20129)]