28067840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2741}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 67370940

約数和(自身を除く): 39303100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 2741, 5120, 5482, 10240, 10964, 13705, 21928, 27410, 43856, 54820, 87712, 109640, 175424, 219280, 350848, 438560, 701696, 877120, 1403392, 1754240, 2806784, 3508480, 5613568, 7016960, 14033920, 28067840]

約数ペア:

[(1, 28067840), (2, 14033920), (4, 7016960), (5, 5613568), (8, 3508480), (10, 2806784), (16, 1754240), (20, 1403392), (32, 877120), (40, 701696), (64, 438560), (80, 350848), (128, 219280), (160, 175424), (256, 109640), (320, 87712), (512, 54820), (640, 43856), (1024, 27410), (1280, 21928), (2048, 13705), (2560, 10964), (2741, 10240), (5120, 5482)]