8167420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9497}}^1$

素因数の和:9549

約数の個数: 24

約数和(自身を含む): 17552304

約数和(自身を除く): 9384884

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9497, 18994, 37988, 47485, 94970, 189940, 408371, 816742, 1633484, 2041855, 4083710, 8167420]

約数ペア:

[(1, 8167420), (2, 4083710), (4, 2041855), (5, 1633484), (10, 816742), (20, 408371), (43, 189940), (86, 94970), (172, 47485), (215, 37988), (430, 18994), (860, 9497)]