79747280

素因数分解:

$2^4\times 5^1\times {\mathrm{996841}}^1$

素因数の和:996854

約数の個数: 20

約数和(自身を含む): 185412612

約数和(自身を除く): 105665332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 996841, 1993682, 3987364, 4984205, 7974728, 9968410, 15949456, 19936820, 39873640, 79747280]

約数ペア:

[(1, 79747280), (2, 39873640), (4, 19936820), (5, 15949456), (8, 9968410), (10, 7974728), (16, 4984205), (20, 3987364), (40, 1993682), (80, 996841)]