28508711740

素因数分解:

$2^2\times 5^1\times {\mathrm{1425435587}}^1$

素因数の和:1425435596

約数の個数: 12

約数和(自身を含む): 59868294696

約数和(自身を除く): 31359582956

約数列:

[1, 2, 4, 5, 10, 20, 1425435587, 2850871174, 5701742348, 7127177935, 14254355870, 28508711740]

約数ペア:

[(1, 28508711740), (2, 14254355870), (4, 7127177935), (5, 5701742348), (10, 2850871174), (20, 1425435587)]