2006440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 4567680

約数和(自身を除く): 2561240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 487, 515, 824, 974, 1030, 1948, 2060, 2435, 3896, 4120, 4870, 9740, 19480, 50161, 100322, 200644, 250805, 401288, 501610, 1003220, 2006440]

約数ペア:

[(1, 2006440), (2, 1003220), (4, 501610), (5, 401288), (8, 250805), (10, 200644), (20, 100322), (40, 50161), (103, 19480), (206, 9740), (412, 4870), (487, 4120), (515, 3896), (824, 2435), (974, 2060), (1030, 1948)]