99448880

素因数分解:

$2^4\times 5^1\times {\mathrm{1243111}}^1$

素因数の和:1243124

約数の個数: 20

約数和(自身を含む): 231218832

約数和(自身を除く): 131769952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1243111, 2486222, 4972444, 6215555, 9944888, 12431110, 19889776, 24862220, 49724440, 99448880]

約数ペア:

[(1, 99448880), (2, 49724440), (4, 24862220), (5, 19889776), (8, 12431110), (10, 9944888), (16, 6215555), (20, 4972444), (40, 2486222), (80, 1243111)]