85301080

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6857}}^1$

素因数の和:7179

約数の個数: 32

約数和(自身を含む): 192572640

約数和(自身を除く): 107271560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 6857, 12440, 13714, 27428, 34285, 54856, 68570, 137140, 274280, 2132527, 4265054, 8530108, 10662635, 17060216, 21325270, 42650540, 85301080]

約数ペア:

[(1, 85301080), (2, 42650540), (4, 21325270), (5, 17060216), (8, 10662635), (10, 8530108), (20, 4265054), (40, 2132527), (311, 274280), (622, 137140), (1244, 68570), (1555, 54856), (2488, 34285), (3110, 27428), (6220, 13714), (6857, 12440)]