90823280

素因数分解:

$2^4\times 5^1\times {\mathrm{1135291}}^1$

素因数の和:1135304

約数の個数: 20

約数和(自身を含む): 211164312

約数和(自身を除く): 120341032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1135291, 2270582, 4541164, 5676455, 9082328, 11352910, 18164656, 22705820, 45411640, 90823280]

約数ペア:

[(1, 90823280), (2, 45411640), (4, 22705820), (5, 18164656), (8, 11352910), (10, 9082328), (16, 5676455), (20, 4541164), (40, 2270582), (80, 1135291)]