12561560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28549}}^1$

素因数の和:28571

約数の個数: 32

約数和(自身を含む): 30834000

約数和(自身を除く): 18272440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28549, 57098, 114196, 142745, 228392, 285490, 314039, 570980, 628078, 1141960, 1256156, 1570195, 2512312, 3140390, 6280780, 12561560]

約数ペア:

[(1, 12561560), (2, 6280780), (4, 3140390), (5, 2512312), (8, 1570195), (10, 1256156), (11, 1141960), (20, 628078), (22, 570980), (40, 314039), (44, 285490), (55, 228392), (88, 142745), (110, 114196), (220, 57098), (440, 28549)]