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I was studying properties of perfect numbers when this question clicked me. Is there any way to find summation of first n perfect numbers?

Is the only way to sum them up is to write them down?

Sorry if my question is too vague but I'm really curious to know as you all are like my teachers.

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    The existence o$f$ in$f$initely many perfect numbers is as yet neither proved nor disproved.2012-06-29

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