13415860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7537}}^1$

素因数の和:7635

約数の個数: 24

約数和(自身を含む): 28493640

約数和(自身を除く): 15077780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7537, 15074, 30148, 37685, 75370, 150740, 670793, 1341586, 2683172, 3353965, 6707930, 13415860]

約数ペア:

[(1, 13415860), (2, 6707930), (4, 3353965), (5, 2683172), (10, 1341586), (20, 670793), (89, 150740), (178, 75370), (356, 37685), (445, 30148), (890, 15074), (1780, 7537)]