20426000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1459}}^1$

素因数の和:1489

約数の個数: 80

約数和(自身を含む): 56484480

約数和(自身を除く): 36058480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1459, 1750, 2000, 2800, 2918, 3500, 5836, 7000, 7295, 10213, 11672, 14000, 14590, 20426, 23344, 29180, 36475, 40852, 51065, 58360, 72950, 81704, 102130, 116720, 145900, 163408, 182375, 204260, 255325, 291800, 364750, 408520, 510650, 583600, 729500, 817040, 1021300, 1276625, 1459000, 2042600, 2553250, 2918000, 4085200, 5106500, 10213000, 20426000]

約数ペア:

[(1, 20426000), (2, 10213000), (4, 5106500), (5, 4085200), (7, 2918000), (8, 2553250), (10, 2042600), (14, 1459000), (16, 1276625), (20, 1021300), (25, 817040), (28, 729500), (35, 583600), (40, 510650), (50, 408520), (56, 364750), (70, 291800), (80, 255325), (100, 204260), (112, 182375), (125, 163408), (140, 145900), (175, 116720), (200, 102130), (250, 81704), (280, 72950), (350, 58360), (400, 51065), (500, 40852), (560, 36475), (700, 29180), (875, 23344), (1000, 20426), (1400, 14590), (1459, 14000), (1750, 11672), (2000, 10213), (2800, 7295), (2918, 7000), (3500, 5836)]