66033680

素因数分解:

$2^4\times 5^1\times {\mathrm{825421}}^1$

素因数の和:825434

約数の個数: 20

約数和(自身を含む): 153528492

約数和(自身を除く): 87494812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 825421, 1650842, 3301684, 4127105, 6603368, 8254210, 13206736, 16508420, 33016840, 66033680]

約数ペア:

[(1, 66033680), (2, 33016840), (4, 16508420), (5, 13206736), (8, 8254210), (10, 6603368), (16, 4127105), (20, 3301684), (40, 1650842), (80, 825421)]