5228920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 11963520

約数和(自身を除く): 6734600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2143, 2440, 4286, 8572, 10715, 17144, 21430, 42860, 85720, 130723, 261446, 522892, 653615, 1045784, 1307230, 2614460, 5228920]

約数ペア:

[(1, 5228920), (2, 2614460), (4, 1307230), (5, 1045784), (8, 653615), (10, 522892), (20, 261446), (40, 130723), (61, 85720), (122, 42860), (244, 21430), (305, 17144), (488, 10715), (610, 8572), (1220, 4286), (2143, 2440)]