3217820

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 6794928

約数和(自身を除く): 3577108

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 641, 1004, 1255, 1282, 2510, 2564, 3205, 5020, 6410, 12820, 160891, 321782, 643564, 804455, 1608910, 3217820]

約数ペア:

[(1, 3217820), (2, 1608910), (4, 804455), (5, 643564), (10, 321782), (20, 160891), (251, 12820), (502, 6410), (641, 5020), (1004, 3205), (1255, 2564), (1282, 2510)]