80821180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367369}}^1$

素因数の和:367389

約数の個数: 24

約数和(自身を含む): 185154480

約数和(自身を除く): 104333300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367369, 734738, 1469476, 1836845, 3673690, 4041059, 7347380, 8082118, 16164236, 20205295, 40410590, 80821180]

約数ペア:

[(1, 80821180), (2, 40410590), (4, 20205295), (5, 16164236), (10, 8082118), (11, 7347380), (20, 4041059), (22, 3673690), (44, 1836845), (55, 1469476), (110, 734738), (220, 367369)]