144440080

素因数分解:

$2^4\times 5^1\times {\mathrm{1805501}}^1$

素因数の和:1805514

約数の個数: 20

約数和(自身を含む): 335823372

約数和(自身を除く): 191383292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1805501, 3611002, 7222004, 9027505, 14444008, 18055010, 28888016, 36110020, 72220040, 144440080]

約数ペア:

[(1, 144440080), (2, 72220040), (4, 36110020), (5, 28888016), (8, 18055010), (10, 14444008), (16, 9027505), (20, 7222004), (40, 3611002), (80, 1805501)]