9000080

素因数分解:

$2^4\times 5^1\times {\mathrm{112501}}^1$

素因数の和:112514

約数の個数: 20

約数和(自身を含む): 20925372

約数和(自身を除く): 11925292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112501, 225002, 450004, 562505, 900008, 1125010, 1800016, 2250020, 4500040, 9000080]

約数ペア:

[(1, 9000080), (2, 4500040), (4, 2250020), (5, 1800016), (8, 1125010), (10, 900008), (16, 562505), (20, 450004), (40, 225002), (80, 112501)]