15960080

素因数分解:

$2^4\times 5^1\times {\mathrm{199501}}^1$

素因数の和:199514

約数の個数: 20

約数和(自身を含む): 37107372

約数和(自身を除く): 21147292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199501, 399002, 798004, 997505, 1596008, 1995010, 3192016, 3990020, 7980040, 15960080]

約数ペア:

[(1, 15960080), (2, 7980040), (4, 3990020), (5, 3192016), (8, 1995010), (10, 1596008), (16, 997505), (20, 798004), (40, 399002), (80, 199501)]