5440180

素因数分解:

$2^2\times 5^1\times {\mathrm{272009}}^1$

素因数の和:272018

約数の個数: 12

約数和(自身を含む): 11424420

約数和(自身を除く): 5984240

約数列:

[1, 2, 4, 5, 10, 20, 272009, 544018, 1088036, 1360045, 2720090, 5440180]

約数ペア:

[(1, 5440180), (2, 2720090), (4, 1360045), (5, 1088036), (10, 544018), (20, 272009)]