39847240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23167}}^1$

素因数の和:23221

約数の個数: 32

約数和(自身を含む): 91745280

約数和(自身を除く): 51898040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23167, 46334, 92668, 115835, 185336, 231670, 463340, 926680, 996181, 1992362, 3984724, 4980905, 7969448, 9961810, 19923620, 39847240]

約数ペア:

[(1, 39847240), (2, 19923620), (4, 9961810), (5, 7969448), (8, 4980905), (10, 3984724), (20, 1992362), (40, 996181), (43, 926680), (86, 463340), (172, 231670), (215, 185336), (344, 115835), (430, 92668), (860, 46334), (1720, 23167)]