28798040

素因数分解:

$2^3\times 5^1\times {\mathrm{719951}}^1$

素因数の和:719962

約数の個数: 16

約数和(自身を含む): 64795680

約数和(自身を除く): 35997640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719951, 1439902, 2879804, 3599755, 5759608, 7199510, 14399020, 28798040]

約数ペア:

[(1, 28798040), (2, 14399020), (4, 7199510), (5, 5759608), (8, 3599755), (10, 2879804), (20, 1439902), (40, 719951)]