20180873840

素因数分解:

$2^4\times 5^1\times {\mathrm{252260923}}^1$

素因数の和:252260936

約数の個数: 20

約数和(自身を含む): 46920531864

約数和(自身を除く): 26739658024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252260923, 504521846, 1009043692, 1261304615, 2018087384, 2522609230, 4036174768, 5045218460, 10090436920, 20180873840]

約数ペア:

[(1, 20180873840), (2, 10090436920), (4, 5045218460), (5, 4036174768), (8, 2522609230), (10, 2018087384), (16, 1261304615), (20, 1009043692), (40, 504521846), (80, 252260923)]