39778940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15661}}^1$

素因数の和:15797

約数の個数: 24

約数和(自身を含む): 84198912

約数和(自身を除く): 44419972

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15661, 31322, 62644, 78305, 156610, 313220, 1988947, 3977894, 7955788, 9944735, 19889470, 39778940]

約数ペア:

[(1, 39778940), (2, 19889470), (4, 9944735), (5, 7955788), (10, 3977894), (20, 1988947), (127, 313220), (254, 156610), (508, 78305), (635, 62644), (1270, 31322), (2540, 15661)]