20180140280

素因数分解:

$2^3\times 5^1\times {\mathrm{504503507}}^1$

素因数の和:504503518

約数の個数: 16

約数和(自身を含む): 45405315720

約数和(自身を除く): 25225175440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504503507, 1009007014, 2018014028, 2522517535, 4036028056, 5045035070, 10090070140, 20180140280]

約数ペア:

[(1, 20180140280), (2, 10090070140), (4, 5045035070), (5, 4036028056), (8, 2522517535), (10, 2018014028), (20, 1009007014), (40, 504503507)]