61351280

素因数分解:

$2^4\times 5^1\times {\mathrm{766891}}^1$

素因数の和:766904

約数の個数: 20

約数和(自身を含む): 142641912

約数和(自身を除く): 81290632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 766891, 1533782, 3067564, 3834455, 6135128, 7668910, 12270256, 15337820, 30675640, 61351280]

約数ペア:

[(1, 61351280), (2, 30675640), (4, 15337820), (5, 12270256), (8, 7668910), (10, 6135128), (16, 3834455), (20, 3067564), (40, 1533782), (80, 766891)]