67219220

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{5227}}^1$

素因数の和:5879

約数の個数: 24

約数和(自身を含む): 141406944

約数和(自身を除く): 74187724

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 5227, 6430, 10454, 12860, 20908, 26135, 52270, 104540, 3360961, 6721922, 13443844, 16804805, 33609610, 67219220]

約数ペア:

[(1, 67219220), (2, 33609610), (4, 16804805), (5, 13443844), (10, 6721922), (20, 3360961), (643, 104540), (1286, 52270), (2572, 26135), (3215, 20908), (5227, 12860), (6430, 10454)]