8217080

素因数分解:

$2^3\times 5^1\times {\mathrm{205427}}^1$

素因数の和:205438

約数の個数: 16

約数和(自身を含む): 18488520

約数和(自身を除く): 10271440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 205427, 410854, 821708, 1027135, 1643416, 2054270, 4108540, 8217080]

約数ペア:

[(1, 8217080), (2, 4108540), (4, 2054270), (5, 1643416), (8, 1027135), (10, 821708), (20, 410854), (40, 205427)]