2051216000

素因数分解:

$2^7\times 5^3\times {\mathrm{128201}}^1$

素因数の和:128230

約数の個数: 64

約数和(自身を含む): 5099875560

約数和(自身を除く): 3048659560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 8000, 16000, 128201, 256402, 512804, 641005, 1025608, 1282010, 2051216, 2564020, 3205025, 4102432, 5128040, 6410050, 8204864, 10256080, 12820100, 16025125, 16409728, 20512160, 25640200, 32050250, 41024320, 51280400, 64100500, 82048640, 102560800, 128201000, 205121600, 256402000, 410243200, 512804000, 1025608000, 2051216000]

約数ペア:

[(1, 2051216000), (2, 1025608000), (4, 512804000), (5, 410243200), (8, 256402000), (10, 205121600), (16, 128201000), (20, 102560800), (25, 82048640), (32, 64100500), (40, 51280400), (50, 41024320), (64, 32050250), (80, 25640200), (100, 20512160), (125, 16409728), (128, 16025125), (160, 12820100), (200, 10256080), (250, 8204864), (320, 6410050), (400, 5128040), (500, 4102432), (640, 3205025), (800, 2564020), (1000, 2051216), (1600, 1282010), (2000, 1025608), (3200, 641005), (4000, 512804), (8000, 256402), (16000, 128201)]