45335936

Appears in sequences

• Numbers k such that sigma(k) == 8 (mod k).at n=20A045770
• Numbers k with abundance radius of 8, i.e., abs(sigma(k)-2*k) = 8.at n=30A088820
• Numbers k whose abundance is 8: sigma(k) - 2*k = 8.at n=16A088833
• Admirable numbers whose abundance is < 10.at n=37A109788
• Numbers m with divisor 8 | m and abundance sigma(m)-2*m = 8.at n=10A181598
• Oex perfect numbers: k such that A186644(k) = 2*k.at n=8A186889
• Numbers k such that sigma(k) == 0 (mod k+4).at n=20A274553
• Primitive abundant numbers k (A071395) whose abundancy index sigma(k)/k has a record low value.at n=25A362053