2580560

素因数分解:

$2^4\times 5^1\times {\mathrm{32257}}^1$

素因数の和:32270

約数の個数: 20

約数和(自身を含む): 5999988

約数和(自身を除く): 3419428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 32257, 64514, 129028, 161285, 258056, 322570, 516112, 645140, 1290280, 2580560]

約数ペア:

[(1, 2580560), (2, 1290280), (4, 645140), (5, 516112), (8, 322570), (10, 258056), (16, 161285), (20, 129028), (40, 64514), (80, 32257)]