26678000

素因数分解:

$2^4\times 5^3\times {\mathrm{13339}}^1$

素因数の和:13362

約数の個数: 40

約数和(自身を含む): 64512240

約数和(自身を除く): 37834240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 13339, 26678, 53356, 66695, 106712, 133390, 213424, 266780, 333475, 533560, 666950, 1067120, 1333900, 1667375, 2667800, 3334750, 5335600, 6669500, 13339000, 26678000]

約数ペア:

[(1, 26678000), (2, 13339000), (4, 6669500), (5, 5335600), (8, 3334750), (10, 2667800), (16, 1667375), (20, 1333900), (25, 1067120), (40, 666950), (50, 533560), (80, 333475), (100, 266780), (125, 213424), (200, 133390), (250, 106712), (400, 66695), (500, 53356), (1000, 26678), (2000, 13339)]