56218520

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1733}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 126720720

約数和(自身を除く): 70502200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 1733, 3244, 3466, 4055, 6488, 6932, 8110, 8665, 13864, 16220, 17330, 32440, 34660, 69320, 1405463, 2810926, 5621852, 7027315, 11243704, 14054630, 28109260, 56218520]

約数ペア:

[(1, 56218520), (2, 28109260), (4, 14054630), (5, 11243704), (8, 7027315), (10, 5621852), (20, 2810926), (40, 1405463), (811, 69320), (1622, 34660), (1733, 32440), (3244, 17330), (3466, 16220), (4055, 13864), (6488, 8665), (6932, 8110)]