129704080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{147391}}^1$

素因数の和:147415

約数の個数: 40

約数和(自身を含む): 328978944

約数和(自身を除く): 199274864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 147391, 294782, 589564, 736955, 1179128, 1473910, 1621301, 2358256, 2947820, 3242602, 5895640, 6485204, 8106505, 11791280, 12970408, 16213010, 25940816, 32426020, 64852040, 129704080]

約数ペア:

[(1, 129704080), (2, 64852040), (4, 32426020), (5, 25940816), (8, 16213010), (10, 12970408), (11, 11791280), (16, 8106505), (20, 6485204), (22, 5895640), (40, 3242602), (44, 2947820), (55, 2358256), (80, 1621301), (88, 1473910), (110, 1179128), (176, 736955), (220, 589564), (440, 294782), (880, 147391)]