83640905

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{4001}}^1$

素因数の和:4156

約数の個数: 16

約数和(自身を含む): 104019984

約数和(自身を除く): 20379079

約数列:

[1, 5, 37, 113, 185, 565, 4001, 4181, 20005, 20905, 148037, 452113, 740185, 2260565, 16728181, 83640905]

約数ペア:

[(1, 83640905), (5, 16728181), (37, 2260565), (113, 740185), (185, 452113), (565, 148037), (4001, 20905), (4181, 20005)]