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3 May, 11:27

What's the sum of 28

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  1. 3 May, 12:45
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    Answer: The sum of all divisors of 28, is 1+2+4+7+14+28 = 56.

    Step-by-step explanation: The number 28 has 6 divisors in total. Their sum is 56, which is twice the number 28. According to the definition of perfect numbers, a natural number n is called perfect if and only if σ (n) = 2n.
  2. 3 May, 14:58
    0
    14

    14+14=28

    14x2=28
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