39761240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23117}}^1$

素因数の和:23171

約数の個数: 32

約数和(自身を含む): 91547280

約数和(自身を除く): 51786040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23117, 46234, 92468, 115585, 184936, 231170, 462340, 924680, 994031, 1988062, 3976124, 4970155, 7952248, 9940310, 19880620, 39761240]

約数ペア:

[(1, 39761240), (2, 19880620), (4, 9940310), (5, 7952248), (8, 4970155), (10, 3976124), (20, 1988062), (40, 994031), (43, 924680), (86, 462340), (172, 231170), (215, 184936), (344, 115585), (430, 92468), (860, 46234), (1720, 23117)]