8889131240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20202571}}^1$

素因数の和:20202593

約数の個数: 32

約数和(自身を含む): 21818777760

約数和(自身を除く): 12929646520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20202571, 40405142, 80810284, 101012855, 161620568, 202025710, 222228281, 404051420, 444456562, 808102840, 888913124, 1111141405, 1777826248, 2222282810, 4444565620, 8889131240]

約数ペア:

[(1, 8889131240), (2, 4444565620), (4, 2222282810), (5, 1777826248), (8, 1111141405), (10, 888913124), (11, 808102840), (20, 444456562), (22, 404051420), (40, 222228281), (44, 202025710), (55, 161620568), (88, 101012855), (110, 80810284), (220, 40405142), (440, 20202571)]