27455620

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3529}}^1$

素因数の和:3927

約数の個数: 24

約数和(自身を含む): 57821400

約数和(自身を除く): 30365780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3529, 3890, 7058, 7780, 14116, 17645, 35290, 70580, 1372781, 2745562, 5491124, 6863905, 13727810, 27455620]

約数ペア:

[(1, 27455620), (2, 13727810), (4, 6863905), (5, 5491124), (10, 2745562), (20, 1372781), (389, 70580), (778, 35290), (1556, 17645), (1945, 14116), (3529, 7780), (3890, 7058)]