80523020

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6091}}^1$

素因数の和:6761

約数の個数: 24

約数和(自身を含む): 169381968

約数和(自身を除く): 88858948

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6091, 6610, 12182, 13220, 24364, 30455, 60910, 121820, 4026151, 8052302, 16104604, 20130755, 40261510, 80523020]

約数ペア:

[(1, 80523020), (2, 40261510), (4, 20130755), (5, 16104604), (10, 8052302), (20, 4026151), (661, 121820), (1322, 60910), (2644, 30455), (3305, 24364), (6091, 13220), (6610, 12182)]