2099168000

素因数分解:

$2^8\times 5^3\times {\mathrm{65599}}^1$

素因数の和:65630

約数の個数: 72

約数和(自身を含む): 5229369600

約数和(自身を除く): 3130201600

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, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 6400, 8000, 16000, 32000, 65599, 131198, 262396, 327995, 524792, 655990, 1049584, 1311980, 1639975, 2099168, 2623960, 3279950, 4198336, 5247920, 6559900, 8199875, 8396672, 10495840, 13119800, 16399750, 16793344, 20991680, 26239600, 32799500, 41983360, 52479200, 65599000, 83966720, 104958400, 131198000, 209916800, 262396000, 419833600, 524792000, 1049584000, 2099168000]

約数ペア:

[(1, 2099168000), (2, 1049584000), (4, 524792000), (5, 419833600), (8, 262396000), (10, 209916800), (16, 131198000), (20, 104958400), (25, 83966720), (32, 65599000), (40, 52479200), (50, 41983360), (64, 32799500), (80, 26239600), (100, 20991680), (125, 16793344), (128, 16399750), (160, 13119800), (200, 10495840), (250, 8396672), (256, 8199875), (320, 6559900), (400, 5247920), (500, 4198336), (640, 3279950), (800, 2623960), (1000, 2099168), (1280, 1639975), (1600, 1311980), (2000, 1049584), (3200, 655990), (4000, 524792), (6400, 327995), (8000, 262396), (16000, 131198), (32000, 65599)]