66128240

素因数分解:

$2^4\times 5^1\times {\mathrm{826603}}^1$

素因数の和:826616

約数の個数: 20

約数和(自身を含む): 153748344

約数和(自身を除く): 87620104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 826603, 1653206, 3306412, 4133015, 6612824, 8266030, 13225648, 16532060, 33064120, 66128240]

約数ペア:

[(1, 66128240), (2, 33064120), (4, 16532060), (5, 13225648), (8, 8266030), (10, 6612824), (16, 4133015), (20, 3306412), (40, 1653206), (80, 826603)]