81900530

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{8117}}^1$

素因数の和:9133

約数の個数: 16

約数和(自身を含む): 147585240

約数和(自身を除く): 65684710

約数列:

[1, 2, 5, 10, 1009, 2018, 5045, 8117, 10090, 16234, 40585, 81170, 8190053, 16380106, 40950265, 81900530]

約数ペア:

[(1, 81900530), (2, 40950265), (5, 16380106), (10, 8190053), (1009, 81170), (2018, 40585), (5045, 16234), (8117, 10090)]