26804980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 58430736

約数和(自身を除く): 31625756

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 337, 388, 410, 485, 674, 820, 970, 1348, 1685, 1940, 3370, 3977, 6740, 7954, 13817, 15908, 19885, 27634, 32689, 39770, 55268, 65378, 69085, 79540, 130756, 138170, 163445, 276340, 326890, 653780, 1340249, 2680498, 5360996, 6701245, 13402490, 26804980]

約数ペア:

[(1, 26804980), (2, 13402490), (4, 6701245), (5, 5360996), (10, 2680498), (20, 1340249), (41, 653780), (82, 326890), (97, 276340), (164, 163445), (194, 138170), (205, 130756), (337, 79540), (388, 69085), (410, 65378), (485, 55268), (674, 39770), (820, 32689), (970, 27634), (1348, 19885), (1685, 15908), (1940, 13817), (3370, 7954), (3977, 6740)]