56450090

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{20089}}^1$

素因数の和:20377

約数の個数: 16

約数和(自身を含む): 101976840

約数和(自身を除く): 45526750

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 20089, 40178, 100445, 200890, 5645009, 11290018, 28225045, 56450090]

約数ペア:

[(1, 56450090), (2, 28225045), (5, 11290018), (10, 5645009), (281, 200890), (562, 100445), (1405, 40178), (2810, 20089)]