5020

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Number

$5020$ (five thousand and twenty) is:

$2^2 \times 5 \times 251$

The smaller of the $4$th amicable pair, with $5564$:

$\map {\sigma_1} {5020} = \map {\sigma_1} {5564} = 10 \, 584 = 5020 + 5564$

Arithmetic Functions on $5020$

\(\ds \map {\sigma_1} { 5020 }\)

\(=\)

\(\ds 10 \, 584\)

$\sigma_1$ of $5020$

Also see

• Previous  ... Next: Amicable Pair

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $5020$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $5020$