16433680

素因数分解:

$2^4\times 5^1\times {\mathrm{205421}}^1$

素因数の和:205434

約数の個数: 20

約数和(自身を含む): 38208492

約数和(自身を除く): 21774812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205421, 410842, 821684, 1027105, 1643368, 2054210, 3286736, 4108420, 8216840, 16433680]

約数ペア:

[(1, 16433680), (2, 8216840), (4, 4108420), (5, 3286736), (8, 2054210), (10, 1643368), (16, 1027105), (20, 821684), (40, 410842), (80, 205421)]