138040374470

素因数分解:

$2^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{20390011}}^1$

素因数の和:20390695

約数の個数: 16

約数和(自身を含む): 248839706448

約数和(自身を除く): 110799331978

約数列:

[1, 2, 5, 10, 677, 1354, 3385, 6770, 20390011, 40780022, 101950055, 203900110, 13804037447, 27608074894, 69020187235, 138040374470]

約数ペア:

[(1, 138040374470), (2, 69020187235), (5, 27608074894), (10, 13804037447), (677, 203900110), (1354, 101950055), (3385, 40780022), (6770, 20390011)]