3996560

素因数分解:

$2^4\times 5^1\times {\mathrm{49957}}^1$

素因数の和:49970

約数の個数: 20

約数和(自身を含む): 9292188

約数和(自身を除く): 5295628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49957, 99914, 199828, 249785, 399656, 499570, 799312, 999140, 1998280, 3996560]

約数ペア:

[(1, 3996560), (2, 1998280), (4, 999140), (5, 799312), (8, 499570), (10, 399656), (16, 249785), (20, 199828), (40, 99914), (80, 49957)]