9816804560

素因数分解:

$2^4\times 5^1\times {\mathrm{122710057}}^1$

素因数の和:122710070

約数の個数: 20

約数和(自身を含む): 22824070788

約数和(自身を除く): 13007266228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122710057, 245420114, 490840228, 613550285, 981680456, 1227100570, 1963360912, 2454201140, 4908402280, 9816804560]

約数ペア:

[(1, 9816804560), (2, 4908402280), (4, 2454201140), (5, 1963360912), (8, 1227100570), (10, 981680456), (16, 613550285), (20, 490840228), (40, 245420114), (80, 122710057)]