81489807740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{370408217}}^1$

素因数の和:370408237

約数の個数: 24

約数和(自身を含む): 186685741872

約数和(自身を除く): 105195934132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 370408217, 740816434, 1481632868, 1852041085, 3704082170, 4074490387, 7408164340, 8148980774, 16297961548, 20372451935, 40744903870, 81489807740]

約数ペア:

[(1, 81489807740), (2, 40744903870), (4, 20372451935), (5, 16297961548), (10, 8148980774), (11, 7408164340), (20, 4074490387), (22, 3704082170), (44, 1852041085), (55, 1481632868), (110, 740816434), (220, 370408217)]