31566875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:3008

約数の個数: 20

約数和(自身を含む): 41780376

約数和(自身を除く): 10213501

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 2971, 10625, 14855, 50507, 74275, 252535, 371375, 1262675, 1856875, 6313375, 31566875]

約数ペア:

[(1, 31566875), (5, 6313375), (17, 1856875), (25, 1262675), (85, 371375), (125, 252535), (425, 74275), (625, 50507), (2125, 14855), (2971, 10625)]