86681320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197003}}^1$

素因数の和:197025

約数の個数: 32

約数和(自身を含む): 212764320

約数和(自身を除く): 126083000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197003, 394006, 788012, 985015, 1576024, 1970030, 2167033, 3940060, 4334066, 7880120, 8668132, 10835165, 17336264, 21670330, 43340660, 86681320]

約数ペア:

[(1, 86681320), (2, 43340660), (4, 21670330), (5, 17336264), (8, 10835165), (10, 8668132), (11, 7880120), (20, 4334066), (22, 3940060), (40, 2167033), (44, 1970030), (55, 1576024), (88, 985015), (110, 788012), (220, 394006), (440, 197003)]