66440120

素因数分解:

$2^3\times 5^1\times {\mathrm{1661003}}^1$

素因数の和:1661014

約数の個数: 16

約数和(自身を含む): 149490360

約数和(自身を除く): 83050240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1661003, 3322006, 6644012, 8305015, 13288024, 16610030, 33220060, 66440120]

約数ペア:

[(1, 66440120), (2, 33220060), (4, 16610030), (5, 13288024), (8, 8305015), (10, 6644012), (20, 3322006), (40, 1661003)]