The
number 8128 is known
as a "
perfect number."
A perfect number is
a positive
integer that is equal to the sum of its proper
divisors (excluding itself). In the case of
8128, its proper
divisors are
1,
2,
4,
7, 14, 28, 56, 112, 224, 406, 812, 1624, and 4060.
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