8040140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9349}}^1$

素因数の和:9401

約数の個数: 24

約数和(自身を含む): 17278800

約数和(自身を除く): 9238660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9349, 18698, 37396, 46745, 93490, 186980, 402007, 804014, 1608028, 2010035, 4020070, 8040140]

約数ペア:

[(1, 8040140), (2, 4020070), (4, 2010035), (5, 1608028), (10, 804014), (20, 402007), (43, 186980), (86, 93490), (172, 46745), (215, 37396), (430, 18698), (860, 9349)]