27577820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19421}}^1$

素因数の和:19501

約数の個数: 24

約数和(自身を含む): 58732128

約数和(自身を除く): 31154308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 19421, 38842, 77684, 97105, 194210, 388420, 1378891, 2757782, 5515564, 6894455, 13788910, 27577820]

約数ペア:

[(1, 27577820), (2, 13788910), (4, 6894455), (5, 5515564), (10, 2757782), (20, 1378891), (71, 388420), (142, 194210), (284, 97105), (355, 77684), (710, 38842), (1420, 19421)]