28206510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40879}}^1$

素因数の和:40912

約数の個数: 32

約数和(自身を含む): 70640640

約数和(自身を除く): 42434130

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 40879, 81758, 122637, 204395, 245274, 408790, 613185, 940217, 1226370, 1880434, 2820651, 4701085, 5641302, 9402170, 14103255, 28206510]

約数ペア:

[(1, 28206510), (2, 14103255), (3, 9402170), (5, 5641302), (6, 4701085), (10, 2820651), (15, 1880434), (23, 1226370), (30, 940217), (46, 613185), (69, 408790), (115, 245274), (138, 204395), (230, 122637), (345, 81758), (690, 40879)]