66706940

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7529}}^1$

素因数の和:7981

約数の個数: 24

約数和(自身を含む): 140419440

約数和(自身を除く): 73712500

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7529, 8860, 15058, 30116, 37645, 75290, 150580, 3335347, 6670694, 13341388, 16676735, 33353470, 66706940]

約数ペア:

[(1, 66706940), (2, 33353470), (4, 16676735), (5, 13341388), (10, 6670694), (20, 3335347), (443, 150580), (886, 75290), (1772, 37645), (2215, 30116), (4430, 15058), (7529, 8860)]