22991240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13367}}^1$

素因数の和:13421

約数の個数: 32

約数和(自身を含む): 52937280

約数和(自身を除く): 29946040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13367, 26734, 53468, 66835, 106936, 133670, 267340, 534680, 574781, 1149562, 2299124, 2873905, 4598248, 5747810, 11495620, 22991240]

約数ペア:

[(1, 22991240), (2, 11495620), (4, 5747810), (5, 4598248), (8, 2873905), (10, 2299124), (20, 1149562), (40, 574781), (43, 534680), (86, 267340), (172, 133670), (215, 106936), (344, 66835), (430, 53468), (860, 26734), (1720, 13367)]