2144560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2437}}^1$

素因数の和:2461

約数の個数: 40

約数和(自身を含む): 5441616

約数和(自身を除く): 3297056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2437, 4874, 9748, 12185, 19496, 24370, 26807, 38992, 48740, 53614, 97480, 107228, 134035, 194960, 214456, 268070, 428912, 536140, 1072280, 2144560]

約数ペア:

[(1, 2144560), (2, 1072280), (4, 536140), (5, 428912), (8, 268070), (10, 214456), (11, 194960), (16, 134035), (20, 107228), (22, 97480), (40, 53614), (44, 48740), (55, 38992), (80, 26807), (88, 24370), (110, 19496), (176, 12185), (220, 9748), (440, 4874), (880, 2437)]