8656240

素因数分解:

$2^4\times 5^1\times {\mathrm{108203}}^1$

素因数の和:108216

約数の個数: 20

約数和(自身を含む): 20125944

約数和(自身を除く): 11469704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108203, 216406, 432812, 541015, 865624, 1082030, 1731248, 2164060, 4328120, 8656240]

約数ペア:

[(1, 8656240), (2, 4328120), (4, 2164060), (5, 1731248), (8, 1082030), (10, 865624), (16, 541015), (20, 432812), (40, 216406), (80, 108203)]