161208080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183191}}^1$

素因数の和:183215

約数の個数: 40

約数和(自身を含む): 408884544

約数和(自身を除く): 247676464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 183191, 366382, 732764, 915955, 1465528, 1831910, 2015101, 2931056, 3663820, 4030202, 7327640, 8060404, 10075505, 14655280, 16120808, 20151010, 32241616, 40302020, 80604040, 161208080]

約数ペア:

[(1, 161208080), (2, 80604040), (4, 40302020), (5, 32241616), (8, 20151010), (10, 16120808), (11, 14655280), (16, 10075505), (20, 8060404), (22, 7327640), (40, 4030202), (44, 3663820), (55, 2931056), (80, 2015101), (88, 1831910), (110, 1465528), (176, 915955), (220, 732764), (440, 366382), (880, 183191)]