8120080

素因数分解:

$2^4\times 5^1\times {\mathrm{101501}}^1$

素因数の和:101514

約数の個数: 20

約数和(自身を含む): 18879372

約数和(自身を除く): 10759292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101501, 203002, 406004, 507505, 812008, 1015010, 1624016, 2030020, 4060040, 8120080]

約数ペア:

[(1, 8120080), (2, 4060040), (4, 2030020), (5, 1624016), (8, 1015010), (10, 812008), (16, 507505), (20, 406004), (40, 203002), (80, 101501)]