25455620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43889}}^1$

素因数の和:43927

約数の個数: 24

約数和(自身を含む): 55301400

約数和(自身を除く): 29845780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 43889, 87778, 175556, 219445, 438890, 877780, 1272781, 2545562, 5091124, 6363905, 12727810, 25455620]

約数ペア:

[(1, 25455620), (2, 12727810), (4, 6363905), (5, 5091124), (10, 2545562), (20, 1272781), (29, 877780), (58, 438890), (116, 219445), (145, 175556), (290, 87778), (580, 43889)]