12880600

素因数分解:

$2^3\times 5^2\times {\mathrm{64403}}^1$

素因数の和:64419

約数の個数: 24

約数和(自身を含む): 29947860

約数和(自身を除く): 17067260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64403, 128806, 257612, 322015, 515224, 644030, 1288060, 1610075, 2576120, 3220150, 6440300, 12880600]

約数ペア:

[(1, 12880600), (2, 6440300), (4, 3220150), (5, 2576120), (8, 1610075), (10, 1288060), (20, 644030), (25, 515224), (40, 322015), (50, 257612), (100, 128806), (200, 64403)]