68554960

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2137}}^1$

素因数の和:2551

約数の個数: 40

約数和(自身を含む): 159862536

約数和(自身を除く): 91307576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 2137, 3208, 4010, 4274, 6416, 8020, 8548, 10685, 16040, 17096, 21370, 32080, 34192, 42740, 85480, 170960, 856937, 1713874, 3427748, 4284685, 6855496, 8569370, 13710992, 17138740, 34277480, 68554960]

約数ペア:

[(1, 68554960), (2, 34277480), (4, 17138740), (5, 13710992), (8, 8569370), (10, 6855496), (16, 4284685), (20, 3427748), (40, 1713874), (80, 856937), (401, 170960), (802, 85480), (1604, 42740), (2005, 34192), (2137, 32080), (3208, 21370), (4010, 17096), (4274, 16040), (6416, 10685), (8020, 8548)]