8709156980

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{387763}}^1$

素因数の和:388895

約数の個数: 24

約数和(自身を含む): 18305562912

約数和(自身を除く): 9596405932

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 11230, 22460, 387763, 775526, 1551052, 1938815, 3877630, 7755260, 435457849, 870915698, 1741831396, 2177289245, 4354578490, 8709156980]

約数ペア:

[(1, 8709156980), (2, 4354578490), (4, 2177289245), (5, 1741831396), (10, 870915698), (20, 435457849), (1123, 7755260), (2246, 3877630), (4492, 1938815), (5615, 1551052), (11230, 775526), (22460, 387763)]