12729400

素因数分解:

$2^3\times 5^2\times {\mathrm{63647}}^1$

素因数の和:63663

約数の個数: 24

約数和(自身を含む): 29596320

約数和(自身を除く): 16866920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 63647, 127294, 254588, 318235, 509176, 636470, 1272940, 1591175, 2545880, 3182350, 6364700, 12729400]

約数ペア:

[(1, 12729400), (2, 6364700), (4, 3182350), (5, 2545880), (8, 1591175), (10, 1272940), (20, 636470), (25, 509176), (40, 318235), (50, 254588), (100, 127294), (200, 63647)]