47776880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5479}}^1$

素因数の和:5601

約数の個数: 40

約数和(自身を含む): 112120800

約数和(自身を除く): 64343920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 5479, 8720, 10958, 21916, 27395, 43832, 54790, 87664, 109580, 219160, 438320, 597211, 1194422, 2388844, 2986055, 4777688, 5972110, 9555376, 11944220, 23888440, 47776880]

約数ペア:

[(1, 47776880), (2, 23888440), (4, 11944220), (5, 9555376), (8, 5972110), (10, 4777688), (16, 2986055), (20, 2388844), (40, 1194422), (80, 597211), (109, 438320), (218, 219160), (436, 109580), (545, 87664), (872, 54790), (1090, 43832), (1744, 27395), (2180, 21916), (4360, 10958), (5479, 8720)]