12908800

素因数分解:

$2^8\times 5^2\times {\mathrm{2017}}^1$

素因数の和:2043

約数の個数: 54

約数和(自身を含む): 31967138

約数和(自身を除く): 19058338

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 2017, 3200, 4034, 6400, 8068, 10085, 16136, 20170, 32272, 40340, 50425, 64544, 80680, 100850, 129088, 161360, 201700, 258176, 322720, 403400, 516352, 645440, 806800, 1290880, 1613600, 2581760, 3227200, 6454400, 12908800]

約数ペア:

[(1, 12908800), (2, 6454400), (4, 3227200), (5, 2581760), (8, 1613600), (10, 1290880), (16, 806800), (20, 645440), (25, 516352), (32, 403400), (40, 322720), (50, 258176), (64, 201700), (80, 161360), (100, 129088), (128, 100850), (160, 80680), (200, 64544), (256, 50425), (320, 40340), (400, 32272), (640, 20170), (800, 16136), (1280, 10085), (1600, 8068), (2017, 6400), (3200, 4034)]