2051217520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2330929}}^1$

素因数の和:2330953

約数の個数: 40

約数和(自身を含む): 5202635760

約数和(自身を除く): 3151418240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2330929, 4661858, 9323716, 11654645, 18647432, 23309290, 25640219, 37294864, 46618580, 51280438, 93237160, 102560876, 128201095, 186474320, 205121752, 256402190, 410243504, 512804380, 1025608760, 2051217520]

約数ペア:

[(1, 2051217520), (2, 1025608760), (4, 512804380), (5, 410243504), (8, 256402190), (10, 205121752), (11, 186474320), (16, 128201095), (20, 102560876), (22, 93237160), (40, 51280438), (44, 46618580), (55, 37294864), (80, 25640219), (88, 23309290), (110, 18647432), (176, 11654645), (220, 9323716), (440, 4661858), (880, 2330929)]