168080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 428544

約数和(自身を除く): 260464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 440, 764, 880, 955, 1528, 1910, 2101, 3056, 3820, 4202, 7640, 8404, 10505, 15280, 16808, 21010, 33616, 42020, 84040, 168080]

約数ペア:

[(1, 168080), (2, 84040), (4, 42020), (5, 33616), (8, 21010), (10, 16808), (11, 15280), (16, 10505), (20, 8404), (22, 7640), (40, 4202), (44, 3820), (55, 3056), (80, 2101), (88, 1910), (110, 1528), (176, 955), (191, 880), (220, 764), (382, 440)]