2006982400

素因数分解:

$2^8\times 5^2\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1146

約数の個数: 108

約数和(自身を含む): 4985352792

約数和(自身を除く): 2978370392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 557, 563, 640, 800, 1114, 1126, 1280, 1600, 2228, 2252, 2785, 2815, 3200, 4456, 4504, 5570, 5630, 6400, 8912, 9008, 11140, 11260, 13925, 14075, 17824, 18016, 22280, 22520, 27850, 28150, 35648, 36032, 44560, 45040, 55700, 56300, 71296, 72064, 89120, 90080, 111400, 112600, 142592, 144128, 178240, 180160, 222800, 225200, 313591, 356480, 360320, 445600, 450400, 627182, 712960, 720640, 891200, 900800, 1254364, 1567955, 1782400, 1801600, 2508728, 3135910, 3564800, 3603200, 5017456, 6271820, 7839775, 10034912, 12543640, 15679550, 20069824, 25087280, 31359100, 40139648, 50174560, 62718200, 80279296, 100349120, 125436400, 200698240, 250872800, 401396480, 501745600, 1003491200, 2006982400]

約数ペア:

[(1, 2006982400), (2, 1003491200), (4, 501745600), (5, 401396480), (8, 250872800), (10, 200698240), (16, 125436400), (20, 100349120), (25, 80279296), (32, 62718200), (40, 50174560), (50, 40139648), (64, 31359100), (80, 25087280), (100, 20069824), (128, 15679550), (160, 12543640), (200, 10034912), (256, 7839775), (320, 6271820), (400, 5017456), (557, 3603200), (563, 3564800), (640, 3135910), (800, 2508728), (1114, 1801600), (1126, 1782400), (1280, 1567955), (1600, 1254364), (2228, 900800), (2252, 891200), (2785, 720640), (2815, 712960), (3200, 627182), (4456, 450400), (4504, 445600), (5570, 360320), (5630, 356480), (6400, 313591), (8912, 225200), (9008, 222800), (11140, 180160), (11260, 178240), (13925, 144128), (14075, 142592), (17824, 112600), (18016, 111400), (22280, 90080), (22520, 89120), (27850, 72064), (28150, 71296), (35648, 56300), (36032, 55700), (44560, 45040)]