8384140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9749}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 18018000

約数和(自身を除く): 9633860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9749, 19498, 38996, 48745, 97490, 194980, 419207, 838414, 1676828, 2096035, 4192070, 8384140]

約数ペア:

[(1, 8384140), (2, 4192070), (4, 2096035), (5, 1676828), (10, 838414), (20, 419207), (43, 194980), (86, 97490), (172, 48745), (215, 38996), (430, 19498), (860, 9749)]