13352720

素因数分解:

$2^4\times 5^1\times {\mathrm{166909}}^1$

素因数の和:166922

約数の個数: 20

約数和(自身を含む): 31045260

約数和(自身を除く): 17692540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166909, 333818, 667636, 834545, 1335272, 1669090, 2670544, 3338180, 6676360, 13352720]

約数ペア:

[(1, 13352720), (2, 6676360), (4, 3338180), (5, 2670544), (8, 1669090), (10, 1335272), (16, 834545), (20, 667636), (40, 333818), (80, 166909)]