28716080

素因数分解:

$2^4\times 5^1\times {\mathrm{358951}}^1$

素因数の和:358964

約数の個数: 20

約数和(自身を含む): 66765072

約数和(自身を除く): 38048992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358951, 717902, 1435804, 1794755, 2871608, 3589510, 5743216, 7179020, 14358040, 28716080]

約数ペア:

[(1, 28716080), (2, 14358040), (4, 7179020), (5, 5743216), (8, 3589510), (10, 2871608), (16, 1794755), (20, 1435804), (40, 717902), (80, 358951)]