2660560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4751}}^1$

素因数の和:4771

約数の個数: 40

約数和(自身を含む): 7070976

約数和(自身を除く): 4410416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4751, 9502, 19004, 23755, 33257, 38008, 47510, 66514, 76016, 95020, 133028, 166285, 190040, 266056, 332570, 380080, 532112, 665140, 1330280, 2660560]

約数ペア:

[(1, 2660560), (2, 1330280), (4, 665140), (5, 532112), (7, 380080), (8, 332570), (10, 266056), (14, 190040), (16, 166285), (20, 133028), (28, 95020), (35, 76016), (40, 66514), (56, 47510), (70, 38008), (80, 33257), (112, 23755), (140, 19004), (280, 9502), (560, 4751)]