2554960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 6015240

約数和(自身を除く): 3460280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 293, 436, 545, 586, 872, 1090, 1172, 1465, 1744, 2180, 2344, 2930, 4360, 4688, 5860, 8720, 11720, 23440, 31937, 63874, 127748, 159685, 255496, 319370, 510992, 638740, 1277480, 2554960]

約数ペア:

[(1, 2554960), (2, 1277480), (4, 638740), (5, 510992), (8, 319370), (10, 255496), (16, 159685), (20, 127748), (40, 63874), (80, 31937), (109, 23440), (218, 11720), (293, 8720), (436, 5860), (545, 4688), (586, 4360), (872, 2930), (1090, 2344), (1172, 2180), (1465, 1744)]