2561812912

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{701}}^1\times {\mathrm{3217}}^1$

素因数の和:3997

約数の個数: 40

約数和(自身を含む): 5042168352

約数和(自身を除く): 2480355440

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 701, 1136, 1402, 2804, 3217, 5608, 6434, 11216, 12868, 25736, 49771, 51472, 99542, 199084, 228407, 398168, 456814, 796336, 913628, 1827256, 2255117, 3654512, 4510234, 9020468, 18040936, 36081872, 160113307, 320226614, 640453228, 1280906456, 2561812912]

約数ペア:

[(1, 2561812912), (2, 1280906456), (4, 640453228), (8, 320226614), (16, 160113307), (71, 36081872), (142, 18040936), (284, 9020468), (568, 4510234), (701, 3654512), (1136, 2255117), (1402, 1827256), (2804, 913628), (3217, 796336), (5608, 456814), (6434, 398168), (11216, 228407), (12868, 199084), (25736, 99542), (49771, 51472)]