38990390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{35771}}^1$

素因数の和:35887

約数の個数: 16

約数和(自身を含む): 70828560

約数和(自身を除く): 31838170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 35771, 71542, 178855, 357710, 3899039, 7798078, 19495195, 38990390]

約数ペア:

[(1, 38990390), (2, 19495195), (5, 7798078), (10, 3899039), (109, 357710), (218, 178855), (545, 71542), (1090, 35771)]