5244440

素因数分解:

$2^3\times 5^1\times {\mathrm{131111}}^1$

素因数の和:131122

約数の個数: 16

約数和(自身を含む): 11800080

約数和(自身を除く): 6555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131111, 262222, 524444, 655555, 1048888, 1311110, 2622220, 5244440]

約数ペア:

[(1, 5244440), (2, 2622220), (4, 1311110), (5, 1048888), (8, 655555), (10, 524444), (20, 262222), (40, 131111)]