8947240

素因数分解:

$2^3\times 5^1\times {\mathrm{223681}}^1$

素因数の和:223692

約数の個数: 16

約数和(自身を含む): 20131380

約数和(自身を除く): 11184140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223681, 447362, 894724, 1118405, 1789448, 2236810, 4473620, 8947240]

約数ペア:

[(1, 8947240), (2, 4473620), (4, 2236810), (5, 1789448), (8, 1118405), (10, 894724), (20, 447362), (40, 223681)]