11257520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 26434320

約数和(自身を除く): 15176800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1291, 1744, 2180, 2582, 4360, 5164, 6455, 8720, 10328, 12910, 20656, 25820, 51640, 103280, 140719, 281438, 562876, 703595, 1125752, 1407190, 2251504, 2814380, 5628760, 11257520]

約数ペア:

[(1, 11257520), (2, 5628760), (4, 2814380), (5, 2251504), (8, 1407190), (10, 1125752), (16, 703595), (20, 562876), (40, 281438), (80, 140719), (109, 103280), (218, 51640), (436, 25820), (545, 20656), (872, 12910), (1090, 10328), (1291, 8720), (1744, 6455), (2180, 5164), (2582, 4360)]