54401380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{247279}}^1$

素因数の和:247299

約数の個数: 24

約数和(自身を含む): 124629120

約数和(自身を除く): 70227740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 247279, 494558, 989116, 1236395, 2472790, 2720069, 4945580, 5440138, 10880276, 13600345, 27200690, 54401380]

約数ペア:

[(1, 54401380), (2, 27200690), (4, 13600345), (5, 10880276), (10, 5440138), (11, 4945580), (20, 2720069), (22, 2472790), (44, 1236395), (55, 989116), (110, 494558), (220, 247279)]