166318840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{96697}}^1$

素因数の和:96751

約数の個数: 32

約数和(自身を含む): 382924080

約数和(自身を除く): 216605240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 96697, 193394, 386788, 483485, 773576, 966970, 1933940, 3867880, 4157971, 8315942, 16631884, 20789855, 33263768, 41579710, 83159420, 166318840]

約数ペア:

[(1, 166318840), (2, 83159420), (4, 41579710), (5, 33263768), (8, 20789855), (10, 16631884), (20, 8315942), (40, 4157971), (43, 3867880), (86, 1933940), (172, 966970), (215, 773576), (344, 483485), (430, 386788), (860, 193394), (1720, 96697)]