23446180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 51004800

約数和(自身を除く): 27558620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 199, 215, 274, 398, 430, 548, 685, 796, 860, 995, 1370, 1990, 2740, 3980, 5891, 8557, 11782, 17114, 23564, 27263, 29455, 34228, 42785, 54526, 58910, 85570, 109052, 117820, 136315, 171140, 272630, 545260, 1172309, 2344618, 4689236, 5861545, 11723090, 23446180]

約数ペア:

[(1, 23446180), (2, 11723090), (4, 5861545), (5, 4689236), (10, 2344618), (20, 1172309), (43, 545260), (86, 272630), (137, 171140), (172, 136315), (199, 117820), (215, 109052), (274, 85570), (398, 58910), (430, 54526), (548, 42785), (685, 34228), (796, 29455), (860, 27263), (995, 23564), (1370, 17114), (1990, 11782), (2740, 8557), (3980, 5891)]