77968040

素因数分解:

$2^3\times 5^1\times {\mathrm{1949201}}^1$

素因数の和:1949212

約数の個数: 16

約数和(自身を含む): 175428180

約数和(自身を除く): 97460140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1949201, 3898402, 7796804, 9746005, 15593608, 19492010, 38984020, 77968040]

約数ペア:

[(1, 77968040), (2, 38984020), (4, 19492010), (5, 15593608), (8, 9746005), (10, 7796804), (20, 3898402), (40, 1949201)]