28251580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201797}}^1$

素因数の和:201813

約数の個数: 24

約数和(自身を含む): 67804128

約数和(自身を除く): 39552548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201797, 403594, 807188, 1008985, 1412579, 2017970, 2825158, 4035940, 5650316, 7062895, 14125790, 28251580]

約数ペア:

[(1, 28251580), (2, 14125790), (4, 7062895), (5, 5650316), (7, 4035940), (10, 2825158), (14, 2017970), (20, 1412579), (28, 1008985), (35, 807188), (70, 403594), (140, 201797)]