1719152080

素因数分解:

$2^4\times 5^1\times {\mathrm{21489401}}^1$

素因数の和:21489414

約数の個数: 20

約数和(自身を含む): 3997028772

約数和(自身を除く): 2277876692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21489401, 42978802, 85957604, 107447005, 171915208, 214894010, 343830416, 429788020, 859576040, 1719152080]

約数ペア:

[(1, 1719152080), (2, 859576040), (4, 429788020), (5, 343830416), (8, 214894010), (10, 171915208), (16, 107447005), (20, 85957604), (40, 42978802), (80, 21489401)]