28615180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130069}}^1$

素因数の和:130089

約数の個数: 24

約数和(自身を含む): 65555280

約数和(自身を除く): 36940100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130069, 260138, 520276, 650345, 1300690, 1430759, 2601380, 2861518, 5723036, 7153795, 14307590, 28615180]

約数ペア:

[(1, 28615180), (2, 14307590), (4, 7153795), (5, 5723036), (10, 2861518), (11, 2601380), (20, 1430759), (22, 1300690), (44, 650345), (55, 520276), (110, 260138), (220, 130069)]