39089770

素因数分解:

$2^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4001}}^1$

素因数の和:4985

約数の個数: 16

約数和(自身を含む): 70451208

約数和(自身を除く): 31361438

約数列:

[1, 2, 5, 10, 977, 1954, 4001, 4885, 8002, 9770, 20005, 40010, 3908977, 7817954, 19544885, 39089770]

約数ペア:

[(1, 39089770), (2, 19544885), (5, 7817954), (10, 3908977), (977, 40010), (1954, 20005), (4001, 9770), (4885, 8002)]