27878180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126719}}^1$

素因数の和:126739

約数の個数: 24

約数和(自身を含む): 63866880

約数和(自身を除く): 35988700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126719, 253438, 506876, 633595, 1267190, 1393909, 2534380, 2787818, 5575636, 6969545, 13939090, 27878180]

約数ペア:

[(1, 27878180), (2, 13939090), (4, 6969545), (5, 5575636), (10, 2787818), (11, 2534380), (20, 1393909), (22, 1267190), (44, 633595), (55, 506876), (110, 253438), (220, 126719)]