68637320

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4861}}^1$

素因数の和:5225

約数の個数: 32

約数和(自身を含む): 154903320

約数和(自身を除く): 86266000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 4861, 7060, 9722, 14120, 19444, 24305, 38888, 48610, 97220, 194440, 1715933, 3431866, 6863732, 8579665, 13727464, 17159330, 34318660, 68637320]

約数ペア:

[(1, 68637320), (2, 34318660), (4, 17159330), (5, 13727464), (8, 8579665), (10, 6863732), (20, 3431866), (40, 1715933), (353, 194440), (706, 97220), (1412, 48610), (1765, 38888), (2824, 24305), (3530, 19444), (4861, 14120), (7060, 9722)]