26780451980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{41927}}^1$

素因数の和:42338

約数の個数: 48

約数和(自身を含む): 56949963840

約数和(自身を除く): 30169511860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 293, 436, 545, 586, 1090, 1172, 1465, 2180, 2930, 5860, 31937, 41927, 63874, 83854, 127748, 159685, 167708, 209635, 319370, 419270, 638740, 838540, 4570043, 9140086, 12284611, 18280172, 22850215, 24569222, 45700430, 49138444, 61423055, 91400860, 122846110, 245692220, 1339022599, 2678045198, 5356090396, 6695112995, 13390225990, 26780451980]

約数ペア:

[(1, 26780451980), (2, 13390225990), (4, 6695112995), (5, 5356090396), (10, 2678045198), (20, 1339022599), (109, 245692220), (218, 122846110), (293, 91400860), (436, 61423055), (545, 49138444), (586, 45700430), (1090, 24569222), (1172, 22850215), (1465, 18280172), (2180, 12284611), (2930, 9140086), (5860, 4570043), (31937, 838540), (41927, 638740), (63874, 419270), (83854, 319370), (127748, 209635), (159685, 167708)]