131131400

素因数分解:

$2^3\times 5^2\times {\mathrm{655657}}^1$

素因数の和:655673

約数の個数: 24

約数和(自身を含む): 304880970

約数和(自身を除く): 173749570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 655657, 1311314, 2622628, 3278285, 5245256, 6556570, 13113140, 16391425, 26226280, 32782850, 65565700, 131131400]

約数ペア:

[(1, 131131400), (2, 65565700), (4, 32782850), (5, 26226280), (8, 16391425), (10, 13113140), (20, 6556570), (25, 5245256), (40, 3278285), (50, 2622628), (100, 1311314), (200, 655657)]