66511340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475081}}^1$

素因数の和:475097

約数の個数: 24

約数和(自身を含む): 159627552

約数和(自身を除く): 93116212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475081, 950162, 1900324, 2375405, 3325567, 4750810, 6651134, 9501620, 13302268, 16627835, 33255670, 66511340]

約数ペア:

[(1, 66511340), (2, 33255670), (4, 16627835), (5, 13302268), (7, 9501620), (10, 6651134), (14, 4750810), (20, 3325567), (28, 2375405), (35, 1900324), (70, 950162), (140, 475081)]