求2加1的和再乘以2的平方加1的和再乘以2的4次方加1的和再乘以2的8次方加1的和再乘以2的16次方加1 的和

(2+1)(2^2+1)(2^4+1)(2^8)(2^16+1)
=(2-1)(2+1)(2^2+1)(2^4+1)(2^8)(2^16+1)
=(2^2-1)(2^2+1)(2^4+1)(2^8)(2^16+1)
=(2^4-1)(2^4+1)(2^8)(2^16+1)
=2^8-1)(2^8)(2^16+1)
=2^16-1)(2^16+1)
=2^32-1