177680

素因数分解:

$2^4\times 5^1\times {\mathrm{2221}}^1$

素因数の和:2234

約数の個数: 20

約数和(自身を含む): 413292

約数和(自身を除く): 235612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2221, 4442, 8884, 11105, 17768, 22210, 35536, 44420, 88840, 177680]

約数ペア:

[(1, 177680), (2, 88840), (4, 44420), (5, 35536), (8, 22210), (10, 17768), (16, 11105), (20, 8884), (40, 4442), (80, 2221)]