1331080

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 3032640

約数和(自身を除く): 1701560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 311, 428, 535, 622, 856, 1070, 1244, 1555, 2140, 2488, 3110, 4280, 6220, 12440, 33277, 66554, 133108, 166385, 266216, 332770, 665540, 1331080]

約数ペア:

[(1, 1331080), (2, 665540), (4, 332770), (5, 266216), (8, 166385), (10, 133108), (20, 66554), (40, 33277), (107, 12440), (214, 6220), (311, 4280), (428, 3110), (535, 2488), (622, 2140), (856, 1555), (1070, 1244)]