127827220

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{20551}}^1$

素因数の和:20871

約数の個数: 24

約数和(自身を含む): 269313408

約数和(自身を除く): 141486188

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 20551, 41102, 82204, 102755, 205510, 411020, 6391361, 12782722, 25565444, 31956805, 63913610, 127827220]

約数ペア:

[(1, 127827220), (2, 63913610), (4, 31956805), (5, 25565444), (10, 12782722), (20, 6391361), (311, 411020), (622, 205510), (1244, 102755), (1555, 82204), (3110, 41102), (6220, 20551)]