65224660

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25679}}^1$

素因数の和:25815

約数の個数: 24

約数和(自身を含む): 138055680

約数和(自身を除く): 72831020

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 25679, 51358, 102716, 128395, 256790, 513580, 3261233, 6522466, 13044932, 16306165, 32612330, 65224660]

約数ペア:

[(1, 65224660), (2, 32612330), (4, 16306165), (5, 13044932), (10, 6522466), (20, 3261233), (127, 513580), (254, 256790), (508, 128395), (635, 102716), (1270, 51358), (2540, 25679)]