12854000

素因数分解:

$2^4\times 5^3\times {\mathrm{6427}}^1$

素因数の和:6450

約数の個数: 40

約数和(自身を含む): 31085808

約数和(自身を除く): 18231808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6427, 12854, 25708, 32135, 51416, 64270, 102832, 128540, 160675, 257080, 321350, 514160, 642700, 803375, 1285400, 1606750, 2570800, 3213500, 6427000, 12854000]

約数ペア:

[(1, 12854000), (2, 6427000), (4, 3213500), (5, 2570800), (8, 1606750), (10, 1285400), (16, 803375), (20, 642700), (25, 514160), (40, 321350), (50, 257080), (80, 160675), (100, 128540), (125, 102832), (200, 64270), (250, 51416), (400, 32135), (500, 25708), (1000, 12854), (2000, 6427)]