30812440

素因数分解:

$2^3\times 5^1\times {\mathrm{770311}}^1$

素因数の和:770322

約数の個数: 16

約数和(自身を含む): 69328080

約数和(自身を除く): 38515640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 770311, 1540622, 3081244, 3851555, 6162488, 7703110, 15406220, 30812440]

約数ペア:

[(1, 30812440), (2, 15406220), (4, 7703110), (5, 6162488), (8, 3851555), (10, 3081244), (20, 1540622), (40, 770311)]