8247260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{58909}}^1$

素因数の和:58925

約数の個数: 24

約数和(自身を含む): 19793760

約数和(自身を除く): 11546500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 58909, 117818, 235636, 294545, 412363, 589090, 824726, 1178180, 1649452, 2061815, 4123630, 8247260]

約数ペア:

[(1, 8247260), (2, 4123630), (4, 2061815), (5, 1649452), (7, 1178180), (10, 824726), (14, 589090), (20, 412363), (28, 294545), (35, 235636), (70, 117818), (140, 58909)]