15212440

素因数分解:

$2^3\times 5^1\times {\mathrm{380311}}^1$

素因数の和:380322

約数の個数: 16

約数和(自身を含む): 34228080

約数和(自身を除く): 19015640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 380311, 760622, 1521244, 1901555, 3042488, 3803110, 7606220, 15212440]

約数ペア:

[(1, 15212440), (2, 7606220), (4, 3803110), (5, 3042488), (8, 1901555), (10, 1521244), (20, 760622), (40, 380311)]