68756720

素因数分解:

$2^4\times 5^1\times {\mathrm{859459}}^1$

素因数の和:859472

約数の個数: 20

約数和(自身を含む): 159859560

約数和(自身を除く): 91102840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859459, 1718918, 3437836, 4297295, 6875672, 8594590, 13751344, 17189180, 34378360, 68756720]

約数ペア:

[(1, 68756720), (2, 34378360), (4, 17189180), (5, 13751344), (8, 8594590), (10, 6875672), (16, 4297295), (20, 3437836), (40, 1718918), (80, 859459)]