11405840

素因数分解:

$2^4\times 5^1\times {\mathrm{142573}}^1$

素因数の和:142586

約数の個数: 20

約数和(自身を含む): 26518764

約数和(自身を除く): 15112924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142573, 285146, 570292, 712865, 1140584, 1425730, 2281168, 2851460, 5702920, 11405840]

約数ペア:

[(1, 11405840), (2, 5702920), (4, 2851460), (5, 2281168), (8, 1425730), (10, 1140584), (16, 712865), (20, 570292), (40, 285146), (80, 142573)]