128192000

素因数分解:

$2^9\times 5^3\times {\mathrm{2003}}^1$

素因数の和:2036

約数の個数: 80

約数和(自身を含む): 319814352

約数和(自身を除く): 191622352

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, 800, 1000, 1280, 1600, 2000, 2003, 2560, 3200, 4000, 4006, 6400, 8000, 8012, 10015, 12800, 16000, 16024, 20030, 32000, 32048, 40060, 50075, 64000, 64096, 80120, 100150, 128192, 160240, 200300, 250375, 256384, 320480, 400600, 500750, 512768, 640960, 801200, 1001500, 1025536, 1281920, 1602400, 2003000, 2563840, 3204800, 4006000, 5127680, 6409600, 8012000, 12819200, 16024000, 25638400, 32048000, 64096000, 128192000]

約数ペア:

[(1, 128192000), (2, 64096000), (4, 32048000), (5, 25638400), (8, 16024000), (10, 12819200), (16, 8012000), (20, 6409600), (25, 5127680), (32, 4006000), (40, 3204800), (50, 2563840), (64, 2003000), (80, 1602400), (100, 1281920), (125, 1025536), (128, 1001500), (160, 801200), (200, 640960), (250, 512768), (256, 500750), (320, 400600), (400, 320480), (500, 256384), (512, 250375), (640, 200300), (800, 160240), (1000, 128192), (1280, 100150), (1600, 80120), (2000, 64096), (2003, 64000), (2560, 50075), (3200, 40060), (4000, 32048), (4006, 32000), (6400, 20030), (8000, 16024), (8012, 16000), (10015, 12800)]