20476000

素因数分解:

$2^5\times 5^3\times {\mathrm{5119}}^1$

素因数の和:5144

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 29843360

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, 5119, 10238, 20476, 25595, 40952, 51190, 81904, 102380, 127975, 163808, 204760, 255950, 409520, 511900, 639875, 819040, 1023800, 1279750, 2047600, 2559500, 4095200, 5119000, 10238000, 20476000]

約数ペア:

[(1, 20476000), (2, 10238000), (4, 5119000), (5, 4095200), (8, 2559500), (10, 2047600), (16, 1279750), (20, 1023800), (25, 819040), (32, 639875), (40, 511900), (50, 409520), (80, 255950), (100, 204760), (125, 163808), (160, 127975), (200, 102380), (250, 81904), (400, 51190), (500, 40952), (800, 25595), (1000, 20476), (2000, 10238), (4000, 5119)]