2801480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6367}}^1$

素因数の和:6389

約数の個数: 32

約数和(自身を含む): 6877440

約数和(自身を除く): 4075960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6367, 12734, 25468, 31835, 50936, 63670, 70037, 127340, 140074, 254680, 280148, 350185, 560296, 700370, 1400740, 2801480]

約数ペア:

[(1, 2801480), (2, 1400740), (4, 700370), (5, 560296), (8, 350185), (10, 280148), (11, 254680), (20, 140074), (22, 127340), (40, 70037), (44, 63670), (55, 50936), (88, 31835), (110, 25468), (220, 12734), (440, 6367)]