9490520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18251}}^1$

素因数の和:18275

約数の個数: 32

約数和(自身を含む): 22997520

約数和(自身を除く): 13507000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 18251, 36502, 73004, 91255, 146008, 182510, 237263, 365020, 474526, 730040, 949052, 1186315, 1898104, 2372630, 4745260, 9490520]

約数ペア:

[(1, 9490520), (2, 4745260), (4, 2372630), (5, 1898104), (8, 1186315), (10, 949052), (13, 730040), (20, 474526), (26, 365020), (40, 237263), (52, 182510), (65, 146008), (104, 91255), (130, 73004), (260, 36502), (520, 18251)]