28069360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 43926032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 167, 176, 191, 220, 334, 382, 440, 668, 764, 835, 880, 955, 1336, 1528, 1670, 1837, 1910, 2101, 2672, 3056, 3340, 3674, 3820, 4202, 6680, 7348, 7640, 8404, 9185, 10505, 13360, 14696, 15280, 16808, 18370, 21010, 29392, 31897, 33616, 36740, 42020, 63794, 73480, 84040, 127588, 146960, 159485, 168080, 255176, 318970, 350867, 510352, 637940, 701734, 1275880, 1403468, 1754335, 2551760, 2806936, 3508670, 5613872, 7017340, 14034680, 28069360]

約数ペア:

[(1, 28069360), (2, 14034680), (4, 7017340), (5, 5613872), (8, 3508670), (10, 2806936), (11, 2551760), (16, 1754335), (20, 1403468), (22, 1275880), (40, 701734), (44, 637940), (55, 510352), (80, 350867), (88, 318970), (110, 255176), (167, 168080), (176, 159485), (191, 146960), (220, 127588), (334, 84040), (382, 73480), (440, 63794), (668, 42020), (764, 36740), (835, 33616), (880, 31897), (955, 29392), (1336, 21010), (1528, 18370), (1670, 16808), (1837, 15280), (1910, 14696), (2101, 13360), (2672, 10505), (3056, 9185), (3340, 8404), (3674, 7640), (3820, 7348), (4202, 6680)]