8505340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2609}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 17977680

約数和(自身を除く): 9472340

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2609, 3260, 5218, 10436, 13045, 26090, 52180, 425267, 850534, 1701068, 2126335, 4252670, 8505340]

約数ペア:

[(1, 8505340), (2, 4252670), (4, 2126335), (5, 1701068), (10, 850534), (20, 425267), (163, 52180), (326, 26090), (652, 13045), (815, 10436), (1630, 5218), (2609, 3260)]