161251400

素因数分解:

$2^3\times 5^2\times {\mathrm{806257}}^1$

素因数の和:806273

約数の個数: 24

約数和(自身を含む): 374909970

約数和(自身を除く): 213658570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 806257, 1612514, 3225028, 4031285, 6450056, 8062570, 16125140, 20156425, 32250280, 40312850, 80625700, 161251400]

約数ペア:

[(1, 161251400), (2, 80625700), (4, 40312850), (5, 32250280), (8, 20156425), (10, 16125140), (20, 8062570), (25, 6450056), (40, 4031285), (50, 3225028), (100, 1612514), (200, 806257)]