28165366940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2341}}^1\times {\mathrm{4391}}^1$

素因数の和:6878

約数の個数: 48

約数和(自身を含む): 59618026944

約数和(自身を除く): 31452660004

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2341, 2740, 4391, 4682, 8782, 9364, 11705, 17564, 21955, 23410, 43910, 46820, 87820, 320717, 601567, 641434, 1203134, 1282868, 1603585, 2406268, 3007835, 3207170, 6015670, 6414340, 10279331, 12031340, 20558662, 41117324, 51396655, 102793310, 205586620, 1408268347, 2816536694, 5633073388, 7041341735, 14082683470, 28165366940]

約数ペア:

[(1, 28165366940), (2, 14082683470), (4, 7041341735), (5, 5633073388), (10, 2816536694), (20, 1408268347), (137, 205586620), (274, 102793310), (548, 51396655), (685, 41117324), (1370, 20558662), (2341, 12031340), (2740, 10279331), (4391, 6414340), (4682, 6015670), (8782, 3207170), (9364, 3007835), (11705, 2406268), (17564, 1603585), (21955, 1282868), (23410, 1203134), (43910, 641434), (46820, 601567), (87820, 320717)]