13287700

素因数分解:

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

素因数の和:1596

約数の個数: 36

約数和(自身を含む): 29177820

約数和(自身を除く): 15890120

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1493, 1780, 2225, 2986, 4450, 5972, 7465, 8900, 14930, 29860, 37325, 74650, 132877, 149300, 265754, 531508, 664385, 1328770, 2657540, 3321925, 6643850, 13287700]

約数ペア:

[(1, 13287700), (2, 6643850), (4, 3321925), (5, 2657540), (10, 1328770), (20, 664385), (25, 531508), (50, 265754), (89, 149300), (100, 132877), (178, 74650), (356, 37325), (445, 29860), (890, 14930), (1493, 8900), (1780, 7465), (2225, 5972), (2986, 4450)]