4157240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 9575280

約数和(自身を除く): 5418040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2417, 4834, 9668, 12085, 19336, 24170, 48340, 96680, 103931, 207862, 415724, 519655, 831448, 1039310, 2078620, 4157240]

約数ペア:

[(1, 4157240), (2, 2078620), (4, 1039310), (5, 831448), (8, 519655), (10, 415724), (20, 207862), (40, 103931), (43, 96680), (86, 48340), (172, 24170), (215, 19336), (344, 12085), (430, 9668), (860, 4834), (1720, 2417)]