1425020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 3063984

約数和(自身を除く): 1638964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1657, 3314, 6628, 8285, 16570, 33140, 71251, 142502, 285004, 356255, 712510, 1425020]

約数ペア:

[(1, 1425020), (2, 712510), (4, 356255), (5, 285004), (10, 142502), (20, 71251), (43, 33140), (86, 16570), (172, 8285), (215, 6628), (430, 3314), (860, 1657)]