2740460

素因数分解:

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

素因数の和:793

約数の個数: 24

約数和(自身を含む): 5787936

約数和(自身を除く): 3047476

約数列:

[1, 2, 4, 5, 10, 20, 263, 521, 526, 1042, 1052, 1315, 2084, 2605, 2630, 5210, 5260, 10420, 137023, 274046, 548092, 685115, 1370230, 2740460]

約数ペア:

[(1, 2740460), (2, 1370230), (4, 685115), (5, 548092), (10, 274046), (20, 137023), (263, 10420), (521, 5260), (526, 5210), (1042, 2630), (1052, 2605), (1315, 2084)]