88900040

素因数分解:

$2^3\times 5^1\times {\mathrm{2222501}}^1$

素因数の和:2222512

約数の個数: 16

約数和(自身を含む): 200025180

約数和(自身を除く): 111125140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2222501, 4445002, 8890004, 11112505, 17780008, 22225010, 44450020, 88900040]

約数ペア:

[(1, 88900040), (2, 44450020), (4, 22225010), (5, 17780008), (8, 11112505), (10, 8890004), (20, 4445002), (40, 2222501)]