15385540

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{937}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 32383512

約数和(自身を除く): 16997972

約数列:

[1, 2, 4, 5, 10, 20, 821, 937, 1642, 1874, 3284, 3748, 4105, 4685, 8210, 9370, 16420, 18740, 769277, 1538554, 3077108, 3846385, 7692770, 15385540]

約数ペア:

[(1, 15385540), (2, 7692770), (4, 3846385), (5, 3077108), (10, 1538554), (20, 769277), (821, 18740), (937, 16420), (1642, 9370), (1874, 8210), (3284, 4685), (3748, 4105)]