9008500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 20180160

約数和(自身を除く): 11171660

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 419, 430, 500, 838, 860, 1075, 1676, 2095, 2150, 4190, 4300, 5375, 8380, 10475, 10750, 18017, 20950, 21500, 36034, 41900, 52375, 72068, 90085, 104750, 180170, 209500, 360340, 450425, 900850, 1801700, 2252125, 4504250, 9008500]

約数ペア:

[(1, 9008500), (2, 4504250), (4, 2252125), (5, 1801700), (10, 900850), (20, 450425), (25, 360340), (43, 209500), (50, 180170), (86, 104750), (100, 90085), (125, 72068), (172, 52375), (215, 41900), (250, 36034), (419, 21500), (430, 20950), (500, 18017), (838, 10750), (860, 10475), (1075, 8380), (1676, 5375), (2095, 4300), (2150, 4190)]