39970990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137831}}^1$

素因数の和:137867

約数の個数: 16

約数和(自身を含む): 74429280

約数和(自身を除く): 34458290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 137831, 275662, 689155, 1378310, 3997099, 7994198, 19985495, 39970990]

約数ペア:

[(1, 39970990), (2, 19985495), (5, 7994198), (10, 3997099), (29, 1378310), (58, 689155), (145, 275662), (290, 137831)]