129726040

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{3529}}^1$

素因数の和:4459

約数の個数: 32

約数和(自身を含む): 292284000

約数和(自身を除く): 162557960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3529, 3676, 4595, 7058, 7352, 9190, 14116, 17645, 18380, 28232, 35290, 36760, 70580, 141160, 3243151, 6486302, 12972604, 16215755, 25945208, 32431510, 64863020, 129726040]

約数ペア:

[(1, 129726040), (2, 64863020), (4, 32431510), (5, 25945208), (8, 16215755), (10, 12972604), (20, 6486302), (40, 3243151), (919, 141160), (1838, 70580), (3529, 36760), (3676, 35290), (4595, 28232), (7058, 18380), (7352, 17645), (9190, 14116)]