28052480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5479}}^1$

素因数の和:5504

約数の個数: 44

約数和(自身を含む): 67305360

約数和(自身を除く): 39252880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 5479, 10958, 21916, 27395, 43832, 54790, 87664, 109580, 175328, 219160, 350656, 438320, 701312, 876640, 1402624, 1753280, 2805248, 3506560, 5610496, 7013120, 14026240, 28052480]

約数ペア:

[(1, 28052480), (2, 14026240), (4, 7013120), (5, 5610496), (8, 3506560), (10, 2805248), (16, 1753280), (20, 1402624), (32, 876640), (40, 701312), (64, 438320), (80, 350656), (128, 219160), (160, 175328), (256, 109580), (320, 87664), (512, 54790), (640, 43832), (1024, 27395), (1280, 21916), (2560, 10958), (5120, 5479)]