66707560

素因数分解:

$2^3\times 5^1\times {\mathrm{1667689}}^1$

素因数の和:1667700

約数の個数: 16

約数和(自身を含む): 150092100

約数和(自身を除く): 83384540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1667689, 3335378, 6670756, 8338445, 13341512, 16676890, 33353780, 66707560]

約数ペア:

[(1, 66707560), (2, 33353780), (4, 16676890), (5, 13341512), (8, 8338445), (10, 6670756), (20, 3335378), (40, 1667689)]