16676560

素因数分解:

$2^4\times 5^1\times {\mathrm{208457}}^1$

素因数の和:208470

約数の個数: 20

約数和(自身を含む): 38773188

約数和(自身を除く): 22096628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 208457, 416914, 833828, 1042285, 1667656, 2084570, 3335312, 4169140, 8338280, 16676560]

約数ペア:

[(1, 16676560), (2, 8338280), (4, 4169140), (5, 3335312), (8, 2084570), (10, 1667656), (16, 1042285), (20, 833828), (40, 416914), (80, 208457)]