126080000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 110

約数和(自身を含む): 316543986

約数和(自身を除く): 190463986

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 197, 200, 250, 256, 320, 394, 400, 500, 512, 625, 640, 788, 800, 985, 1000, 1024, 1250, 1280, 1576, 1600, 1970, 2000, 2500, 2560, 3152, 3200, 3940, 4000, 4925, 5000, 5120, 6304, 6400, 7880, 8000, 9850, 10000, 12608, 12800, 15760, 16000, 19700, 20000, 24625, 25216, 25600, 31520, 32000, 39400, 40000, 49250, 50432, 63040, 64000, 78800, 80000, 98500, 100864, 123125, 126080, 128000, 157600, 160000, 197000, 201728, 246250, 252160, 315200, 320000, 394000, 492500, 504320, 630400, 640000, 788000, 985000, 1008640, 1260800, 1576000, 1970000, 2521600, 3152000, 3940000, 5043200, 6304000, 7880000, 12608000, 15760000, 25216000, 31520000, 63040000, 126080000]

約数ペア:

[(1, 126080000), (2, 63040000), (4, 31520000), (5, 25216000), (8, 15760000), (10, 12608000), (16, 7880000), (20, 6304000), (25, 5043200), (32, 3940000), (40, 3152000), (50, 2521600), (64, 1970000), (80, 1576000), (100, 1260800), (125, 1008640), (128, 985000), (160, 788000), (197, 640000), (200, 630400), (250, 504320), (256, 492500), (320, 394000), (394, 320000), (400, 315200), (500, 252160), (512, 246250), (625, 201728), (640, 197000), (788, 160000), (800, 157600), (985, 128000), (1000, 126080), (1024, 123125), (1250, 100864), (1280, 98500), (1576, 80000), (1600, 78800), (1970, 64000), (2000, 63040), (2500, 50432), (2560, 49250), (3152, 40000), (3200, 39400), (3940, 32000), (4000, 31520), (4925, 25600), (5000, 25216), (5120, 24625), (6304, 20000), (6400, 19700), (7880, 16000), (8000, 15760), (9850, 12800), (10000, 12608)]