28760080

素因数分解:

$2^4\times 5^1\times {\mathrm{359501}}^1$

素因数の和:359514

約数の個数: 20

約数和(自身を含む): 66867372

約数和(自身を除く): 38107292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359501, 719002, 1438004, 1797505, 2876008, 3595010, 5752016, 7190020, 14380040, 28760080]

約数ペア:

[(1, 28760080), (2, 14380040), (4, 7190020), (5, 5752016), (8, 3595010), (10, 2876008), (16, 1797505), (20, 1438004), (40, 719002), (80, 359501)]