For every positive integer $n$,prove that
\[\sum _{i=1}^{n}\frac{\sigma (i)}{i}\leqslant 2n \].
PROBLEM NO.33(B0MC-2,DAY-5)
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Re: PROBLEM NO.33(B0MC-2,DAY-5)
Hint:
(i)
(ii)
(i)
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