28518380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129629}}^1$

素因数の和:129649

約数の個数: 24

約数和(自身を含む): 65333520

約数和(自身を除く): 36815140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129629, 259258, 518516, 648145, 1296290, 1425919, 2592580, 2851838, 5703676, 7129595, 14259190, 28518380]

約数ペア:

[(1, 28518380), (2, 14259190), (4, 7129595), (5, 5703676), (10, 2851838), (11, 2592580), (20, 1425919), (22, 1296290), (44, 648145), (55, 518516), (110, 259258), (220, 129629)]