28386160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32257}}^1$

素因数の和:32281

約数の個数: 40

約数和(自身を含む): 71999856

約数和(自身を除く): 43613696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32257, 64514, 129028, 161285, 258056, 322570, 354827, 516112, 645140, 709654, 1290280, 1419308, 1774135, 2580560, 2838616, 3548270, 5677232, 7096540, 14193080, 28386160]

約数ペア:

[(1, 28386160), (2, 14193080), (4, 7096540), (5, 5677232), (8, 3548270), (10, 2838616), (11, 2580560), (16, 1774135), (20, 1419308), (22, 1290280), (40, 709654), (44, 645140), (55, 516112), (80, 354827), (88, 322570), (110, 258056), (176, 161285), (220, 129028), (440, 64514), (880, 32257)]