6643850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1594

約数の個数: 24

約数和(自身を含む): 12504780

約数和(自身を除く): 5860930

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 1493, 2225, 2986, 4450, 7465, 14930, 37325, 74650, 132877, 265754, 664385, 1328770, 3321925, 6643850]

約数ペア:

[(1, 6643850), (2, 3321925), (5, 1328770), (10, 664385), (25, 265754), (50, 132877), (89, 74650), (178, 37325), (445, 14930), (890, 7465), (1493, 4450), (2225, 2986)]