12706000

素因数分解:

$2^4\times 5^3\times {\mathrm{6353}}^1$

素因数の和:6376

約数の個数: 40

約数和(自身を含む): 30727944

約数和(自身を除く): 18021944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6353, 12706, 25412, 31765, 50824, 63530, 101648, 127060, 158825, 254120, 317650, 508240, 635300, 794125, 1270600, 1588250, 2541200, 3176500, 6353000, 12706000]

約数ペア:

[(1, 12706000), (2, 6353000), (4, 3176500), (5, 2541200), (8, 1588250), (10, 1270600), (16, 794125), (20, 635300), (25, 508240), (40, 317650), (50, 254120), (80, 158825), (100, 127060), (125, 101648), (200, 63530), (250, 50824), (400, 31765), (500, 25412), (1000, 12706), (2000, 6353)]