135002020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{31991}}^1$

素因数の和:32211

約数の個数: 24

約数和(自身を含む): 284856768

約数和(自身を除く): 149854748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 31991, 63982, 127964, 159955, 319910, 639820, 6750101, 13500202, 27000404, 33750505, 67501010, 135002020]

約数ペア:

[(1, 135002020), (2, 67501010), (4, 33750505), (5, 27000404), (10, 13500202), (20, 6750101), (211, 639820), (422, 319910), (844, 159955), (1055, 127964), (2110, 63982), (4220, 31991)]