82417240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47917}}^1$

素因数の和:47971

約数の個数: 32

約数和(自身を含む): 189755280

約数和(自身を除く): 107338040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 47917, 95834, 191668, 239585, 383336, 479170, 958340, 1916680, 2060431, 4120862, 8241724, 10302155, 16483448, 20604310, 41208620, 82417240]

約数ペア:

[(1, 82417240), (2, 41208620), (4, 20604310), (5, 16483448), (8, 10302155), (10, 8241724), (20, 4120862), (40, 2060431), (43, 1916680), (86, 958340), (172, 479170), (215, 383336), (344, 239585), (430, 191668), (860, 95834), (1720, 47917)]