\[b_{1} = 16;\ \ q = 2:\]
\[S_{8} = b_{1} \cdot \frac{q^{8} - 1}{q - 1} = 16 \cdot \frac{2^{8} - 1}{2 - 1} =\]
\[= 16 \cdot 255 = 4080.\]
\[Ответ:4080.\]