488798840

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{21401}}^1$

素因数の和:21983

約数の個数: 32

約数和(自身を含む): 1101774960

約数和(自身を除く): 612976120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 11420, 21401, 22840, 42802, 85604, 107005, 171208, 214010, 428020, 856040, 12219971, 24439942, 48879884, 61099855, 97759768, 122199710, 244399420, 488798840]

約数ペア:

[(1, 488798840), (2, 244399420), (4, 122199710), (5, 97759768), (8, 61099855), (10, 48879884), (20, 24439942), (40, 12219971), (571, 856040), (1142, 428020), (2284, 214010), (2855, 171208), (4568, 107005), (5710, 85604), (11420, 42802), (21401, 22840)]