30257720

素因数分解:

$2^3\times 5^1\times {\mathrm{756443}}^1$

素因数の和:756454

約数の個数: 16

約数和(自身を含む): 68079960

約数和(自身を除く): 37822240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 756443, 1512886, 3025772, 3782215, 6051544, 7564430, 15128860, 30257720]

約数ペア:

[(1, 30257720), (2, 15128860), (4, 7564430), (5, 6051544), (8, 3782215), (10, 3025772), (20, 1512886), (40, 756443)]