10255820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 22952160

約数和(自身を除く): 12696340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 197, 274, 380, 394, 548, 685, 788, 985, 1370, 1970, 2603, 2740, 3743, 3940, 5206, 7486, 10412, 13015, 14972, 18715, 26030, 26989, 37430, 52060, 53978, 74860, 107956, 134945, 269890, 512791, 539780, 1025582, 2051164, 2563955, 5127910, 10255820]

約数ペア:

[(1, 10255820), (2, 5127910), (4, 2563955), (5, 2051164), (10, 1025582), (19, 539780), (20, 512791), (38, 269890), (76, 134945), (95, 107956), (137, 74860), (190, 53978), (197, 52060), (274, 37430), (380, 26989), (394, 26030), (548, 18715), (685, 14972), (788, 13015), (985, 10412), (1370, 7486), (1970, 5206), (2603, 3940), (2740, 3743)]