9640418020

素因数分解:

$2^2\times 5^1\times {\mathrm{482020901}}^1$

素因数の和:482020910

約数の個数: 12

約数和(自身を含む): 20244877884

約数和(自身を除く): 10604459864

約数列:

[1, 2, 4, 5, 10, 20, 482020901, 964041802, 1928083604, 2410104505, 4820209010, 9640418020]

約数ペア:

[(1, 9640418020), (2, 4820209010), (4, 2410104505), (5, 1928083604), (10, 964041802), (20, 482020901)]