66400850

素因数分解:

$2^1\times 5^2\times {\mathrm{1328017}}^1$

素因数の和:1328029

約数の個数: 12

約数和(自身を含む): 123505674

約数和(自身を除く): 57104824

約数列:

[1, 2, 5, 10, 25, 50, 1328017, 2656034, 6640085, 13280170, 33200425, 66400850]

約数ペア:

[(1, 66400850), (2, 33200425), (5, 13280170), (10, 6640085), (25, 2656034), (50, 1328017)]