68104580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{38261}}^1$

素因数の和:38359

約数の個数: 24

約数和(自身を含む): 144630360

約数和(自身を除く): 76525780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 38261, 76522, 153044, 191305, 382610, 765220, 3405229, 6810458, 13620916, 17026145, 34052290, 68104580]

約数ペア:

[(1, 68104580), (2, 34052290), (4, 17026145), (5, 13620916), (10, 6810458), (20, 3405229), (89, 765220), (178, 382610), (356, 191305), (445, 153044), (890, 76522), (1780, 38261)]