11787320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2861}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 26788320

約数和(自身を除く): 15001000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2861, 4120, 5722, 11444, 14305, 22888, 28610, 57220, 114440, 294683, 589366, 1178732, 1473415, 2357464, 2946830, 5893660, 11787320]

約数ペア:

[(1, 11787320), (2, 5893660), (4, 2946830), (5, 2357464), (8, 1473415), (10, 1178732), (20, 589366), (40, 294683), (103, 114440), (206, 57220), (412, 28610), (515, 22888), (824, 14305), (1030, 11444), (2060, 5722), (2861, 4120)]