66556420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475403}}^1$

素因数の和:475419

約数の個数: 24

約数和(自身を含む): 159735744

約数和(自身を除く): 93179324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475403, 950806, 1901612, 2377015, 3327821, 4754030, 6655642, 9508060, 13311284, 16639105, 33278210, 66556420]

約数ペア:

[(1, 66556420), (2, 33278210), (4, 16639105), (5, 13311284), (7, 9508060), (10, 6655642), (14, 4754030), (20, 3327821), (28, 2377015), (35, 1901612), (70, 950806), (140, 475403)]