2019428000

素因数分解:

$2^5\times 5^3\times {\mathrm{504857}}^1$

素因数の和:504882

約数の個数: 48

約数和(自身を含む): 4961744424

約数和(自身を除く): 2942316424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 504857, 1009714, 2019428, 2524285, 4038856, 5048570, 8077712, 10097140, 12621425, 16155424, 20194280, 25242850, 40388560, 50485700, 63107125, 80777120, 100971400, 126214250, 201942800, 252428500, 403885600, 504857000, 1009714000, 2019428000]

約数ペア:

[(1, 2019428000), (2, 1009714000), (4, 504857000), (5, 403885600), (8, 252428500), (10, 201942800), (16, 126214250), (20, 100971400), (25, 80777120), (32, 63107125), (40, 50485700), (50, 40388560), (80, 25242850), (100, 20194280), (125, 16155424), (160, 12621425), (200, 10097140), (250, 8077712), (400, 5048570), (500, 4038856), (800, 2524285), (1000, 2019428), (2000, 1009714), (4000, 504857)]