8894420

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2663}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 18797184

約数和(自身を除く): 9902764

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 2663, 3340, 5326, 10652, 13315, 26630, 53260, 444721, 889442, 1778884, 2223605, 4447210, 8894420]

約数ペア:

[(1, 8894420), (2, 4447210), (4, 2223605), (5, 1778884), (10, 889442), (20, 444721), (167, 53260), (334, 26630), (668, 13315), (835, 10652), (1670, 5326), (2663, 3340)]