12625940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4021}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 26689992

約数和(自身を除く): 14064052

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4021, 8042, 16084, 20105, 40210, 80420, 631297, 1262594, 2525188, 3156485, 6312970, 12625940]

約数ペア:

[(1, 12625940), (2, 6312970), (4, 3156485), (5, 2525188), (10, 1262594), (20, 631297), (157, 80420), (314, 40210), (628, 20105), (785, 16084), (1570, 8042), (3140, 4021)]