66653780

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7523}}^1$

素因数の和:7975

約数の個数: 24

約数和(自身を含む): 140307552

約数和(自身を除く): 73653772

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7523, 8860, 15046, 30092, 37615, 75230, 150460, 3332689, 6665378, 13330756, 16663445, 33326890, 66653780]

約数ペア:

[(1, 66653780), (2, 33326890), (4, 16663445), (5, 13330756), (10, 6665378), (20, 3332689), (443, 150460), (886, 75230), (1772, 37615), (2215, 30092), (4430, 15046), (7523, 8860)]