16954040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9857}}^1$

素因数の和:9911

約数の個数: 32

約数和(自身を含む): 39037680

約数和(自身を除く): 22083640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9857, 19714, 39428, 49285, 78856, 98570, 197140, 394280, 423851, 847702, 1695404, 2119255, 3390808, 4238510, 8477020, 16954040]

約数ペア:

[(1, 16954040), (2, 8477020), (4, 4238510), (5, 3390808), (8, 2119255), (10, 1695404), (20, 847702), (40, 423851), (43, 394280), (86, 197140), (172, 98570), (215, 78856), (344, 49285), (430, 39428), (860, 19714), (1720, 9857)]