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Numbers and Quantification — Applied Maths STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceApplied MathsNumbers and Quantification2 Marks
Question
Find $\sigma(12)$
✓

Answer

Positive divisors of 12 are $=1,2,3,4,6,12$
$
\sigma(12)=1+2+3+4+6+12=28
$

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