85945000

素因数分解:

$2^3\times 5^4\times {\mathrm{17189}}^1$

素因数の和:17215

約数の個数: 40

約数和(自身を含む): 201380850

約数和(自身を除く): 115435850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 17189, 34378, 68756, 85945, 137512, 171890, 343780, 429725, 687560, 859450, 1718900, 2148625, 3437800, 4297250, 8594500, 10743125, 17189000, 21486250, 42972500, 85945000]

約数ペア:

[(1, 85945000), (2, 42972500), (4, 21486250), (5, 17189000), (8, 10743125), (10, 8594500), (20, 4297250), (25, 3437800), (40, 2148625), (50, 1718900), (100, 859450), (125, 687560), (200, 429725), (250, 343780), (500, 171890), (625, 137512), (1000, 85945), (1250, 68756), (2500, 34378), (5000, 17189)]