2589040

素因数分解:

$2^4\times 5^1\times {\mathrm{32363}}^1$

素因数の和:32376

約数の個数: 20

約数和(自身を含む): 6019704

約数和(自身を除く): 3430664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 32363, 64726, 129452, 161815, 258904, 323630, 517808, 647260, 1294520, 2589040]

約数ペア:

[(1, 2589040), (2, 1294520), (4, 647260), (5, 517808), (8, 323630), (10, 258904), (16, 161815), (20, 129452), (40, 64726), (80, 32363)]