42972500

素因数分解:

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

素因数の和:17213

約数の個数: 30

約数和(自身を含む): 93977730

約数和(自身を除く): 51005230

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 17189, 34378, 68756, 85945, 171890, 343780, 429725, 859450, 1718900, 2148625, 4297250, 8594500, 10743125, 21486250, 42972500]

約数ペア:

[(1, 42972500), (2, 21486250), (4, 10743125), (5, 8594500), (10, 4297250), (20, 2148625), (25, 1718900), (50, 859450), (100, 429725), (125, 343780), (250, 171890), (500, 85945), (625, 68756), (1250, 34378), (2500, 17189)]