8408000

素因数分解:

$2^6\times 5^3\times {\mathrm{1051}}^1$

素因数の和:1078

約数の個数: 56

約数和(自身を含む): 20842224

約数和(自身を除く): 12434224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1051, 1600, 2000, 2102, 4000, 4204, 5255, 8000, 8408, 10510, 16816, 21020, 26275, 33632, 42040, 52550, 67264, 84080, 105100, 131375, 168160, 210200, 262750, 336320, 420400, 525500, 840800, 1051000, 1681600, 2102000, 4204000, 8408000]

約数ペア:

[(1, 8408000), (2, 4204000), (4, 2102000), (5, 1681600), (8, 1051000), (10, 840800), (16, 525500), (20, 420400), (25, 336320), (32, 262750), (40, 210200), (50, 168160), (64, 131375), (80, 105100), (100, 84080), (125, 67264), (160, 52550), (200, 42040), (250, 33632), (320, 26275), (400, 21020), (500, 16816), (800, 10510), (1000, 8408), (1051, 8000), (1600, 5255), (2000, 4204), (2102, 4000)]