28011440

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1039}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 65382720

約数和(自身を除く): 37371280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1039, 1348, 1685, 2078, 2696, 3370, 4156, 5195, 5392, 6740, 8312, 10390, 13480, 16624, 20780, 26960, 41560, 83120, 350143, 700286, 1400572, 1750715, 2801144, 3501430, 5602288, 7002860, 14005720, 28011440]

約数ペア:

[(1, 28011440), (2, 14005720), (4, 7002860), (5, 5602288), (8, 3501430), (10, 2801144), (16, 1750715), (20, 1400572), (40, 700286), (80, 350143), (337, 83120), (674, 41560), (1039, 26960), (1348, 20780), (1685, 16624), (2078, 13480), (2696, 10390), (3370, 8312), (4156, 6740), (5195, 5392)]