196216840

素因数分解:

$2^3\times 5^1\times {\mathrm{4905421}}^1$

素因数の和:4905432

約数の個数: 16

約数和(自身を含む): 441487980

約数和(自身を除く): 245271140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4905421, 9810842, 19621684, 24527105, 39243368, 49054210, 98108420, 196216840]

約数ペア:

[(1, 196216840), (2, 98108420), (4, 49054210), (5, 39243368), (8, 24527105), (10, 19621684), (20, 9810842), (40, 4905421)]