201081320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457003}}^1$

素因数の和:457025

約数の個数: 32

約数和(自身を含む): 493564320

約数和(自身を除く): 292483000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457003, 914006, 1828012, 2285015, 3656024, 4570030, 5027033, 9140060, 10054066, 18280120, 20108132, 25135165, 40216264, 50270330, 100540660, 201081320]

約数ペア:

[(1, 201081320), (2, 100540660), (4, 50270330), (5, 40216264), (8, 25135165), (10, 20108132), (11, 18280120), (20, 10054066), (22, 9140060), (40, 5027033), (44, 4570030), (55, 3656024), (88, 2285015), (110, 1828012), (220, 914006), (440, 457003)]