82048000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 88

約数和(自身を含む): 205011144

約数和(自身を除く): 122963144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 641, 800, 1000, 1024, 1280, 1282, 1600, 2000, 2560, 2564, 3200, 3205, 4000, 5120, 5128, 6400, 6410, 8000, 10256, 12800, 12820, 16000, 16025, 20512, 25600, 25640, 32000, 32050, 41024, 51280, 64000, 64100, 80125, 82048, 102560, 128000, 128200, 160250, 164096, 205120, 256400, 320500, 328192, 410240, 512800, 641000, 656384, 820480, 1025600, 1282000, 1640960, 2051200, 2564000, 3281920, 4102400, 5128000, 8204800, 10256000, 16409600, 20512000, 41024000, 82048000]

約数ペア:

[(1, 82048000), (2, 41024000), (4, 20512000), (5, 16409600), (8, 10256000), (10, 8204800), (16, 5128000), (20, 4102400), (25, 3281920), (32, 2564000), (40, 2051200), (50, 1640960), (64, 1282000), (80, 1025600), (100, 820480), (125, 656384), (128, 641000), (160, 512800), (200, 410240), (250, 328192), (256, 320500), (320, 256400), (400, 205120), (500, 164096), (512, 160250), (640, 128200), (641, 128000), (800, 102560), (1000, 82048), (1024, 80125), (1280, 64100), (1282, 64000), (1600, 51280), (2000, 41024), (2560, 32050), (2564, 32000), (3200, 25640), (3205, 25600), (4000, 20512), (5120, 16025), (5128, 16000), (6400, 12820), (6410, 12800), (8000, 10256)]