4440080

素因数分解:

$2^4\times 5^1\times {\mathrm{55501}}^1$

素因数の和:55514

約数の個数: 20

約数和(自身を含む): 10323372

約数和(自身を除く): 5883292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55501, 111002, 222004, 277505, 444008, 555010, 888016, 1110020, 2220040, 4440080]

約数ペア:

[(1, 4440080), (2, 2220040), (4, 1110020), (5, 888016), (8, 555010), (10, 444008), (16, 277505), (20, 222004), (40, 111002), (80, 55501)]