38471240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22367}}^1$

素因数の和:22421

約数の個数: 32

約数和(自身を含む): 88577280

約数和(自身を除く): 50106040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22367, 44734, 89468, 111835, 178936, 223670, 447340, 894680, 961781, 1923562, 3847124, 4808905, 7694248, 9617810, 19235620, 38471240]

約数ペア:

[(1, 38471240), (2, 19235620), (4, 9617810), (5, 7694248), (8, 4808905), (10, 3847124), (20, 1923562), (40, 961781), (43, 894680), (86, 447340), (172, 223670), (215, 178936), (344, 111835), (430, 89468), (860, 44734), (1720, 22367)]