9889850

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1574

約数の個数: 24

約数和(自身を含む): 18540480

約数和(自身を除く): 8650630

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 1423, 2846, 3475, 6950, 7115, 14230, 35575, 71150, 197797, 395594, 988985, 1977970, 4944925, 9889850]

約数ペア:

[(1, 9889850), (2, 4944925), (5, 1977970), (10, 988985), (25, 395594), (50, 197797), (139, 71150), (278, 35575), (695, 14230), (1390, 7115), (1423, 6950), (2846, 3475)]