161630960

素因数分解:

$2^4\times 5^1\times {\mathrm{2020387}}^1$

素因数の和:2020400

約数の個数: 20

約数和(自身を含む): 375792168

約数和(自身を除く): 214161208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2020387, 4040774, 8081548, 10101935, 16163096, 20203870, 32326192, 40407740, 80815480, 161630960]

約数ペア:

[(1, 161630960), (2, 80815480), (4, 40407740), (5, 32326192), (8, 20203870), (10, 16163096), (16, 10101935), (20, 8081548), (40, 4040774), (80, 2020387)]