17440580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21269}}^1$

素因数の和:21319

約数の個数: 24

約数和(自身を含む): 37520280

約数和(自身を除く): 20079700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21269, 42538, 85076, 106345, 212690, 425380, 872029, 1744058, 3488116, 4360145, 8720290, 17440580]

約数ペア:

[(1, 17440580), (2, 8720290), (4, 4360145), (5, 3488116), (10, 1744058), (20, 872029), (41, 425380), (82, 212690), (164, 106345), (205, 85076), (410, 42538), (820, 21269)]