8980180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40819}}^1$

素因数の和:40839

約数の個数: 24

約数和(自身を含む): 20573280

約数和(自身を除く): 11593100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 40819, 81638, 163276, 204095, 408190, 449009, 816380, 898018, 1796036, 2245045, 4490090, 8980180]

約数ペア:

[(1, 8980180), (2, 4490090), (4, 2245045), (5, 1796036), (10, 898018), (11, 816380), (20, 449009), (22, 408190), (44, 204095), (55, 163276), (110, 81638), (220, 40819)]