4505380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20479}}^1$

素因数の和:20499

約数の個数: 24

約数和(自身を含む): 10321920

約数和(自身を除く): 5816540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20479, 40958, 81916, 102395, 204790, 225269, 409580, 450538, 901076, 1126345, 2252690, 4505380]

約数ペア:

[(1, 4505380), (2, 2252690), (4, 1126345), (5, 901076), (10, 450538), (11, 409580), (20, 225269), (22, 204790), (44, 102395), (55, 81916), (110, 40958), (220, 20479)]