28307440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50549}}^1$

素因数の和:50569

約数の個数: 40

約数和(自身を含む): 75218400

約数和(自身を除く): 46910960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50549, 101098, 202196, 252745, 353843, 404392, 505490, 707686, 808784, 1010980, 1415372, 1769215, 2021960, 2830744, 3538430, 4043920, 5661488, 7076860, 14153720, 28307440]

約数ペア:

[(1, 28307440), (2, 14153720), (4, 7076860), (5, 5661488), (7, 4043920), (8, 3538430), (10, 2830744), (14, 2021960), (16, 1769215), (20, 1415372), (28, 1010980), (35, 808784), (40, 707686), (56, 505490), (70, 404392), (80, 353843), (112, 252745), (140, 202196), (280, 101098), (560, 50549)]