180056740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{89137}}^1$

素因数の和:89247

約数の個数: 24

約数和(自身を含む): 381867192

約数和(自身を除く): 201810452

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 89137, 178274, 356548, 445685, 891370, 1782740, 9002837, 18005674, 36011348, 45014185, 90028370, 180056740]

約数ペア:

[(1, 180056740), (2, 90028370), (4, 45014185), (5, 36011348), (10, 18005674), (20, 9002837), (101, 1782740), (202, 891370), (404, 445685), (505, 356548), (1010, 178274), (2020, 89137)]