Difference between revisions of "2002 IMO Problems/Problem 4"
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Revision as of 14:35, 17 June 2024
Problem:
Let 
be an integer and let 
be all of its positive divisors in increasing order. Show that
![\[d=d_1d_2+d_2d_3+ \cdots +d_{r-1}d_r <n^2\]](http://latex.artofproblemsolving.com/8/e/2/8e201bb9274ec9bd46a38d9681bf1b22e42d24da.png)
Solution
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See Also
| 2002 IMO (Problems) • Resources | ||
| Preceded by Problem 3 |
1 • 2 • 3 • 4 • 5 • 6 | Followed by Problem 5 |
| All IMO Problems and Solutions | ||
