2574256

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:900

約数の個数: 20

約数和(自身を含む): 5015304

約数和(自身を除く): 2441048

約数列:

[1, 2, 4, 8, 16, 251, 502, 641, 1004, 1282, 2008, 2564, 4016, 5128, 10256, 160891, 321782, 643564, 1287128, 2574256]

約数ペア:

[(1, 2574256), (2, 1287128), (4, 643564), (8, 321782), (16, 160891), (251, 10256), (502, 5128), (641, 4016), (1004, 2564), (1282, 2008)]