75500020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{17891}}^1$

素因数の和:18111

約数の個数: 24

約数和(自身を含む): 159310368

約数和(自身を除く): 83810348

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 17891, 35782, 71564, 89455, 178910, 357820, 3775001, 7550002, 15100004, 18875005, 37750010, 75500020]

約数ペア:

[(1, 75500020), (2, 37750010), (4, 18875005), (5, 15100004), (10, 7550002), (20, 3775001), (211, 357820), (422, 178910), (844, 89455), (1055, 71564), (2110, 35782), (4220, 17891)]