128850340

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{4877}}^1$

素因数の和:6207

約数の個数: 24

約数和(自身を含む): 270846072

約数和(自身を除く): 141995732

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 4877, 5284, 6605, 9754, 13210, 19508, 24385, 26420, 48770, 97540, 6442517, 12885034, 25770068, 32212585, 64425170, 128850340]

約数ペア:

[(1, 128850340), (2, 64425170), (4, 32212585), (5, 25770068), (10, 12885034), (20, 6442517), (1321, 97540), (2642, 48770), (4877, 26420), (5284, 24385), (6605, 19508), (9754, 13210)]