2680452860

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{64403}}^1$

素因数の和:66493

約数の個数: 24

約数和(自身を含む): 5631743376

約数和(自身を除く): 2951290516

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 8324, 10405, 20810, 41620, 64403, 128806, 257612, 322015, 644030, 1288060, 134022643, 268045286, 536090572, 670113215, 1340226430, 2680452860]

約数ペア:

[(1, 2680452860), (2, 1340226430), (4, 670113215), (5, 536090572), (10, 268045286), (20, 134022643), (2081, 1288060), (4162, 644030), (8324, 322015), (10405, 257612), (20810, 128806), (41620, 64403)]