78064040

素因数分解:

$2^3\times 5^1\times {\mathrm{1951601}}^1$

素因数の和:1951612

約数の個数: 16

約数和(自身を含む): 175644180

約数和(自身を除く): 97580140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1951601, 3903202, 7806404, 9758005, 15612808, 19516010, 39032020, 78064040]

約数ペア:

[(1, 78064040), (2, 39032020), (4, 19516010), (5, 15612808), (8, 9758005), (10, 7806404), (20, 3903202), (40, 1951601)]