6435640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 14560560

約数和(自身を除く): 8124920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 641, 1004, 1255, 1282, 2008, 2510, 2564, 3205, 5020, 5128, 6410, 10040, 12820, 25640, 160891, 321782, 643564, 804455, 1287128, 1608910, 3217820, 6435640]

約数ペア:

[(1, 6435640), (2, 3217820), (4, 1608910), (5, 1287128), (8, 804455), (10, 643564), (20, 321782), (40, 160891), (251, 25640), (502, 12820), (641, 10040), (1004, 6410), (1255, 5128), (1282, 5020), (2008, 3205), (2510, 2564)]