12689000

素因数分解:

$2^3\times 5^3\times {\mathrm{12689}}^1$

素因数の和:12710

約数の個数: 32

約数和(自身を含む): 29694600

約数和(自身を除く): 17005600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 12689, 25378, 50756, 63445, 101512, 126890, 253780, 317225, 507560, 634450, 1268900, 1586125, 2537800, 3172250, 6344500, 12689000]

約数ペア:

[(1, 12689000), (2, 6344500), (4, 3172250), (5, 2537800), (8, 1586125), (10, 1268900), (20, 634450), (25, 507560), (40, 317225), (50, 253780), (100, 126890), (125, 101512), (200, 63445), (250, 50756), (500, 25378), (1000, 12689)]