25620460

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1549}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 53902800

約数和(自身を除く): 28282340

約数列:

[1, 2, 4, 5, 10, 20, 827, 1549, 1654, 3098, 3308, 4135, 6196, 7745, 8270, 15490, 16540, 30980, 1281023, 2562046, 5124092, 6405115, 12810230, 25620460]

約数ペア:

[(1, 25620460), (2, 12810230), (4, 6405115), (5, 5124092), (10, 2562046), (20, 1281023), (827, 30980), (1549, 16540), (1654, 15490), (3098, 8270), (3308, 7745), (4135, 6196)]