13921280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2719}}^1$

素因数の和:2744

約数の個数: 44

約数和(自身を含む): 33407040

約数和(自身を除く): 19485760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 2719, 5120, 5438, 10876, 13595, 21752, 27190, 43504, 54380, 87008, 108760, 174016, 217520, 348032, 435040, 696064, 870080, 1392128, 1740160, 2784256, 3480320, 6960640, 13921280]

約数ペア:

[(1, 13921280), (2, 6960640), (4, 3480320), (5, 2784256), (8, 1740160), (10, 1392128), (16, 870080), (20, 696064), (32, 435040), (40, 348032), (64, 217520), (80, 174016), (128, 108760), (160, 87008), (256, 54380), (320, 43504), (512, 27190), (640, 21752), (1024, 13595), (1280, 10876), (2560, 5438), (2719, 5120)]