26880676880

素因数分解:

$2^4\times 5^1\times {\mathrm{336008461}}^1$

素因数の和:336008474

約数の個数: 20

約数和(自身を含む): 62497573932

約数和(自身を除く): 35616897052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 336008461, 672016922, 1344033844, 1680042305, 2688067688, 3360084610, 5376135376, 6720169220, 13440338440, 26880676880]

約数ペア:

[(1, 26880676880), (2, 13440338440), (4, 6720169220), (5, 5376135376), (8, 3360084610), (10, 2688067688), (16, 1680042305), (20, 1344033844), (40, 672016922), (80, 336008461)]