15844180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72019}}^1$

素因数の和:72039

約数の個数: 24

約数和(自身を含む): 36298080

約数和(自身を除く): 20453900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72019, 144038, 288076, 360095, 720190, 792209, 1440380, 1584418, 3168836, 3961045, 7922090, 15844180]

約数ペア:

[(1, 15844180), (2, 7922090), (4, 3961045), (5, 3168836), (10, 1584418), (11, 1440380), (20, 792209), (22, 720190), (44, 360095), (55, 288076), (110, 144038), (220, 72019)]