5480920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 12402720

約数和(自身を除く): 6921800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 521, 526, 1042, 1052, 1315, 2084, 2104, 2605, 2630, 4168, 5210, 5260, 10420, 10520, 20840, 137023, 274046, 548092, 685115, 1096184, 1370230, 2740460, 5480920]

約数ペア:

[(1, 5480920), (2, 2740460), (4, 1370230), (5, 1096184), (8, 685115), (10, 548092), (20, 274046), (40, 137023), (263, 20840), (521, 10520), (526, 10420), (1042, 5260), (1052, 5210), (1315, 4168), (2084, 2630), (2104, 2605)]