72038000

素因数分解:

$2^4\times 5^3\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 80

約数和(自身を含む): 176030400

約数和(自身を除く): 103992400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 181, 199, 200, 250, 362, 398, 400, 500, 724, 796, 905, 995, 1000, 1448, 1592, 1810, 1990, 2000, 2896, 3184, 3620, 3980, 4525, 4975, 7240, 7960, 9050, 9950, 14480, 15920, 18100, 19900, 22625, 24875, 36019, 36200, 39800, 45250, 49750, 72038, 72400, 79600, 90500, 99500, 144076, 180095, 181000, 199000, 288152, 360190, 362000, 398000, 576304, 720380, 900475, 1440760, 1800950, 2881520, 3601900, 4502375, 7203800, 9004750, 14407600, 18009500, 36019000, 72038000]

約数ペア:

[(1, 72038000), (2, 36019000), (4, 18009500), (5, 14407600), (8, 9004750), (10, 7203800), (16, 4502375), (20, 3601900), (25, 2881520), (40, 1800950), (50, 1440760), (80, 900475), (100, 720380), (125, 576304), (181, 398000), (199, 362000), (200, 360190), (250, 288152), (362, 199000), (398, 181000), (400, 180095), (500, 144076), (724, 99500), (796, 90500), (905, 79600), (995, 72400), (1000, 72038), (1448, 49750), (1592, 45250), (1810, 39800), (1990, 36200), (2000, 36019), (2896, 24875), (3184, 22625), (3620, 19900), (3980, 18100), (4525, 15920), (4975, 14480), (7240, 9950), (7960, 9050)]