2020155250

素因数分解:

$2^1\times 5^3\times {\mathrm{8080621}}^1$

素因数の和:8080638

約数の個数: 16

約数和(自身を含む): 3781731096

約数和(自身を除く): 1761575846

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 8080621, 16161242, 40403105, 80806210, 202015525, 404031050, 1010077625, 2020155250]

約数ペア:

[(1, 2020155250), (2, 1010077625), (5, 404031050), (10, 202015525), (25, 80806210), (50, 40403105), (125, 16161242), (250, 8080621)]