28480180

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{8527}}^1$

素因数の和:8703

約数の個数: 24

約数和(自身を含む): 60173568

約数和(自身を除く): 31693388

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 8527, 17054, 34108, 42635, 85270, 170540, 1424009, 2848018, 5696036, 7120045, 14240090, 28480180]

約数ペア:

[(1, 28480180), (2, 14240090), (4, 7120045), (5, 5696036), (10, 2848018), (20, 1424009), (167, 170540), (334, 85270), (668, 42635), (835, 34108), (1670, 17054), (3340, 8527)]