51276800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{2003}}^1$

素因数の和:2033

約数の個数: 66

約数和(自身を含む): 127167828

約数和(自身を除く): 75891028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2003, 2560, 3200, 4006, 5120, 6400, 8012, 10015, 12800, 16024, 20030, 25600, 32048, 40060, 50075, 64096, 80120, 100150, 128192, 160240, 200300, 256384, 320480, 400600, 512768, 640960, 801200, 1025536, 1281920, 1602400, 2051072, 2563840, 3204800, 5127680, 6409600, 10255360, 12819200, 25638400, 51276800]

約数ペア:

[(1, 51276800), (2, 25638400), (4, 12819200), (5, 10255360), (8, 6409600), (10, 5127680), (16, 3204800), (20, 2563840), (25, 2051072), (32, 1602400), (40, 1281920), (50, 1025536), (64, 801200), (80, 640960), (100, 512768), (128, 400600), (160, 320480), (200, 256384), (256, 200300), (320, 160240), (400, 128192), (512, 100150), (640, 80120), (800, 64096), (1024, 50075), (1280, 40060), (1600, 32048), (2003, 25600), (2560, 20030), (3200, 16024), (4006, 12800), (5120, 10015), (6400, 8012)]