56505380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68909}}^1$

素因数の和:68959

約数の個数: 24

約数和(自身を含む): 121557240

約数和(自身を除く): 65051860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 68909, 137818, 275636, 344545, 689090, 1378180, 2825269, 5650538, 11301076, 14126345, 28252690, 56505380]

約数ペア:

[(1, 56505380), (2, 28252690), (4, 14126345), (5, 11301076), (10, 5650538), (20, 2825269), (41, 1378180), (82, 689090), (164, 344545), (205, 275636), (410, 137818), (820, 68909)]