68918060

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12263}}^1$

素因数の和:12553

約数の個数: 24

約数和(自身を含む): 145254816

約数和(自身を除く): 76336756

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 12263, 24526, 49052, 61315, 122630, 245260, 3445903, 6891806, 13783612, 17229515, 34459030, 68918060]

約数ペア:

[(1, 68918060), (2, 34459030), (4, 17229515), (5, 13783612), (10, 6891806), (20, 3445903), (281, 245260), (562, 122630), (1124, 61315), (1405, 49052), (2810, 24526), (5620, 12263)]