8905640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3323}}^1$

素因数の和:3401

約数の個数: 32

約数和(自身を含む): 20342880

約数和(自身を除く): 11437240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3323, 6646, 13292, 16615, 26584, 33230, 66460, 132920, 222641, 445282, 890564, 1113205, 1781128, 2226410, 4452820, 8905640]

約数ペア:

[(1, 8905640), (2, 4452820), (4, 2226410), (5, 1781128), (8, 1113205), (10, 890564), (20, 445282), (40, 222641), (67, 132920), (134, 66460), (268, 33230), (335, 26584), (536, 16615), (670, 13292), (1340, 6646), (2680, 3323)]