80798260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212627}}^1$

素因数の和:212655

約数の個数: 24

約数和(自身を含む): 178607520

約数和(自身を除く): 97809260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 212627, 425254, 850508, 1063135, 2126270, 4039913, 4252540, 8079826, 16159652, 20199565, 40399130, 80798260]

約数ペア:

[(1, 80798260), (2, 40399130), (4, 20199565), (5, 16159652), (10, 8079826), (19, 4252540), (20, 4039913), (38, 2126270), (76, 1063135), (95, 850508), (190, 425254), (380, 212627)]