11409520

素因数分解:

$2^4\times 5^1\times {\mathrm{142619}}^1$

素因数の和:142632

約数の個数: 20

約数和(自身を含む): 26527320

約数和(自身を除く): 15117800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142619, 285238, 570476, 713095, 1140952, 1426190, 2281904, 2852380, 5704760, 11409520]

約数ペア:

[(1, 11409520), (2, 5704760), (4, 2852380), (5, 2281904), (8, 1426190), (10, 1140952), (16, 713095), (20, 570476), (40, 285238), (80, 142619)]