68396080

素因数分解:

$2^4\times 5^1\times {\mathrm{854951}}^1$

素因数の和:854964

約数の個数: 20

約数和(自身を含む): 159021072

約数和(自身を除く): 90624992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 854951, 1709902, 3419804, 4274755, 6839608, 8549510, 13679216, 17099020, 34198040, 68396080]

約数ペア:

[(1, 68396080), (2, 34198040), (4, 17099020), (5, 13679216), (8, 8549510), (10, 6839608), (16, 4274755), (20, 3419804), (40, 1709902), (80, 854951)]