2850040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 6565680

約数和(自身を除く): 3715640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1657, 1720, 3314, 6628, 8285, 13256, 16570, 33140, 66280, 71251, 142502, 285004, 356255, 570008, 712510, 1425020, 2850040]

約数ペア:

[(1, 2850040), (2, 1425020), (4, 712510), (5, 570008), (8, 356255), (10, 285004), (20, 142502), (40, 71251), (43, 66280), (86, 33140), (172, 16570), (215, 13256), (344, 8285), (430, 6628), (860, 3314), (1657, 1720)]