88840

素因数分解:

$2^3\times 5^1\times {\mathrm{2221}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 199980

約数和(自身を除く): 111140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2221, 4442, 8884, 11105, 17768, 22210, 44420, 88840]

約数ペア:

[(1, 88840), (2, 44420), (4, 22210), (5, 17768), (8, 11105), (10, 8884), (20, 4442), (40, 2221)]