2906440

素因数分解:

$2^3\times 5^1\times {\mathrm{72661}}^1$

素因数の和:72672

約数の個数: 16

約数和(自身を含む): 6539580

約数和(自身を除く): 3633140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72661, 145322, 290644, 363305, 581288, 726610, 1453220, 2906440]

約数ペア:

[(1, 2906440), (2, 1453220), (4, 726610), (5, 581288), (8, 363305), (10, 290644), (20, 145322), (40, 72661)]