85900000

素因数分解:

$2^5\times 5^5\times {\mathrm{859}}^1$

素因数の和:894

約数の個数: 72

約数和(自身を含む): 211627080

約数和(自身を除く): 125727080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 859, 1000, 1250, 1718, 2000, 2500, 3125, 3436, 4000, 4295, 5000, 6250, 6872, 8590, 10000, 12500, 13744, 17180, 20000, 21475, 25000, 27488, 34360, 42950, 50000, 68720, 85900, 100000, 107375, 137440, 171800, 214750, 343600, 429500, 536875, 687200, 859000, 1073750, 1718000, 2147500, 2684375, 3436000, 4295000, 5368750, 8590000, 10737500, 17180000, 21475000, 42950000, 85900000]

約数ペア:

[(1, 85900000), (2, 42950000), (4, 21475000), (5, 17180000), (8, 10737500), (10, 8590000), (16, 5368750), (20, 4295000), (25, 3436000), (32, 2684375), (40, 2147500), (50, 1718000), (80, 1073750), (100, 859000), (125, 687200), (160, 536875), (200, 429500), (250, 343600), (400, 214750), (500, 171800), (625, 137440), (800, 107375), (859, 100000), (1000, 85900), (1250, 68720), (1718, 50000), (2000, 42950), (2500, 34360), (3125, 27488), (3436, 25000), (4000, 21475), (4295, 20000), (5000, 17180), (6250, 13744), (6872, 12500), (8590, 10000)]