2002169975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{39239}}^1$

素因数の和:39419

約数の個数: 24

約数和(自身を含む): 2690765280

約数和(自身を除く): 688595305

約数列:

[1, 5, 13, 25, 65, 157, 325, 785, 2041, 3925, 10205, 39239, 51025, 196195, 510107, 980975, 2550535, 6160523, 12752675, 30802615, 80086799, 154013075, 400433995, 2002169975]

約数ペア:

[(1, 2002169975), (5, 400433995), (13, 154013075), (25, 80086799), (65, 30802615), (157, 12752675), (325, 6160523), (785, 2550535), (2041, 980975), (3925, 510107), (10205, 196195), (39239, 51025)]