25625230

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 47232000

約数和(自身を除く): 21606770

約数列:

[1, 2, 5, 10, 79, 158, 163, 199, 326, 395, 398, 790, 815, 995, 1630, 1990, 12877, 15721, 25754, 31442, 32437, 64385, 64874, 78605, 128770, 157210, 162185, 324370, 2562523, 5125046, 12812615, 25625230]

約数ペア:

[(1, 25625230), (2, 12812615), (5, 5125046), (10, 2562523), (79, 324370), (158, 162185), (163, 157210), (199, 128770), (326, 78605), (395, 64874), (398, 64385), (790, 32437), (815, 31442), (995, 25754), (1630, 15721), (1990, 12877)]