2008975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 2745360

約数和(自身を除く): 736385

約数列:

[1, 5, 17, 25, 29, 85, 145, 163, 425, 493, 725, 815, 2465, 2771, 4075, 4727, 12325, 13855, 23635, 69275, 80359, 118175, 401795, 2008975]

約数ペア:

[(1, 2008975), (5, 401795), (17, 118175), (25, 80359), (29, 69275), (85, 23635), (145, 13855), (163, 12325), (425, 4727), (493, 4075), (725, 2771), (815, 2465)]