40549085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 50637312

約数和(自身を除く): 10088227

約数列:

[1, 5, 31, 131, 155, 655, 1997, 4061, 9985, 20305, 61907, 261607, 309535, 1308035, 8109817, 40549085]

約数ペア:

[(1, 40549085), (5, 8109817), (31, 1308035), (131, 309535), (155, 261607), (655, 61907), (1997, 20305), (4061, 9985)]