67105540

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{7643}}^1$

素因数の和:8091

約数の個数: 24

約数和(自身を含む): 141261120

約数和(自身を除く): 74155580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 7643, 8780, 15286, 30572, 38215, 76430, 152860, 3355277, 6710554, 13421108, 16776385, 33552770, 67105540]

約数ペア:

[(1, 67105540), (2, 33552770), (4, 16776385), (5, 13421108), (10, 6710554), (20, 3355277), (439, 152860), (878, 76430), (1756, 38215), (2195, 30572), (4390, 15286), (7643, 8780)]