210912080

素因数分解:

$2^4\times 5^1\times {\mathrm{2636401}}^1$

素因数の和:2636414

約数の個数: 20

約数和(自身を含む): 490370772

約数和(自身を除く): 279458692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2636401, 5272802, 10545604, 13182005, 21091208, 26364010, 42182416, 52728020, 105456040, 210912080]

約数ペア:

[(1, 210912080), (2, 105456040), (4, 52728020), (5, 42182416), (8, 26364010), (10, 21091208), (16, 13182005), (20, 10545604), (40, 5272802), (80, 2636401)]