204885320

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{3919}}^1$

素因数の和:5237

約数の個数: 32

約数和(自身を含む): 461462400

約数和(自身を除く): 256577080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 3919, 5228, 6535, 7838, 10456, 13070, 15676, 19595, 26140, 31352, 39190, 52280, 78380, 156760, 5122133, 10244266, 20488532, 25610665, 40977064, 51221330, 102442660, 204885320]

約数ペア:

[(1, 204885320), (2, 102442660), (4, 51221330), (5, 40977064), (8, 25610665), (10, 20488532), (20, 10244266), (40, 5122133), (1307, 156760), (2614, 78380), (3919, 52280), (5228, 39190), (6535, 31352), (7838, 26140), (10456, 19595), (13070, 15676)]