57208520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7187}}^1$

素因数の和:7397

約数の個数: 32

約数和(自身を含む): 129384000

約数和(自身を除く): 72175480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7187, 7960, 14374, 28748, 35935, 57496, 71870, 143740, 287480, 1430213, 2860426, 5720852, 7151065, 11441704, 14302130, 28604260, 57208520]

約数ペア:

[(1, 57208520), (2, 28604260), (4, 14302130), (5, 11441704), (8, 7151065), (10, 5720852), (20, 2860426), (40, 1430213), (199, 287480), (398, 143740), (796, 71870), (995, 57496), (1592, 35935), (1990, 28748), (3980, 14374), (7187, 7960)]