127796560

素因数分解:

$2^4\times 5^1\times {\mathrm{1597457}}^1$

素因数の和:1597470

約数の個数: 20

約数和(自身を含む): 297127188

約数和(自身を除く): 169330628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1597457, 3194914, 6389828, 7987285, 12779656, 15974570, 25559312, 31949140, 63898280, 127796560]

約数ペア:

[(1, 127796560), (2, 63898280), (4, 31949140), (5, 25559312), (8, 15974570), (10, 12779656), (16, 7987285), (20, 6389828), (40, 3194914), (80, 1597457)]