25041328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{120391}}^1$

素因数の和:120412

約数の個数: 20

約数和(自身を含む): 52250128

約数和(自身を除く): 27208800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 120391, 240782, 481564, 963128, 1565083, 1926256, 3130166, 6260332, 12520664, 25041328]

約数ペア:

[(1, 25041328), (2, 12520664), (4, 6260332), (8, 3130166), (13, 1926256), (16, 1565083), (26, 963128), (52, 481564), (104, 240782), (208, 120391)]