11447720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 25957800

約数和(自身を除く): 14510080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2089, 2740, 4178, 5480, 8356, 10445, 16712, 20890, 41780, 83560, 286193, 572386, 1144772, 1430965, 2289544, 2861930, 5723860, 11447720]

約数ペア:

[(1, 11447720), (2, 5723860), (4, 2861930), (5, 2289544), (8, 1430965), (10, 1144772), (20, 572386), (40, 286193), (137, 83560), (274, 41780), (548, 20890), (685, 16712), (1096, 10445), (1370, 8356), (2089, 5480), (2740, 4178)]