11428000

素因数分解:

$2^5\times 5^3\times {\mathrm{2857}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 28088424

約数和(自身を除く): 16660424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 2857, 4000, 5714, 11428, 14285, 22856, 28570, 45712, 57140, 71425, 91424, 114280, 142850, 228560, 285700, 357125, 457120, 571400, 714250, 1142800, 1428500, 2285600, 2857000, 5714000, 11428000]

約数ペア:

[(1, 11428000), (2, 5714000), (4, 2857000), (5, 2285600), (8, 1428500), (10, 1142800), (16, 714250), (20, 571400), (25, 457120), (32, 357125), (40, 285700), (50, 228560), (80, 142850), (100, 114280), (125, 91424), (160, 71425), (200, 57140), (250, 45712), (400, 28570), (500, 22856), (800, 14285), (1000, 11428), (2000, 5714), (2857, 4000)]