68864260

素因数分解:

$2^2\times 5^1\times {\mathrm{1697}}^1\times {\mathrm{2029}}^1$

素因数の和:3735

約数の個数: 24

約数和(自身を含む): 144771480

約数和(自身を除く): 75907220

約数列:

[1, 2, 4, 5, 10, 20, 1697, 2029, 3394, 4058, 6788, 8116, 8485, 10145, 16970, 20290, 33940, 40580, 3443213, 6886426, 13772852, 17216065, 34432130, 68864260]

約数ペア:

[(1, 68864260), (2, 34432130), (4, 17216065), (5, 13772852), (10, 6886426), (20, 3443213), (1697, 40580), (2029, 33940), (3394, 20290), (4058, 16970), (6788, 10145), (8116, 8485)]