13040840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17159}}^1$

素因数の和:17189

約数の個数: 32

約数和(自身を含む): 30888000

約数和(自身を除く): 17847160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17159, 34318, 68636, 85795, 137272, 171590, 326021, 343180, 652042, 686360, 1304084, 1630105, 2608168, 3260210, 6520420, 13040840]

約数ペア:

[(1, 13040840), (2, 6520420), (4, 3260210), (5, 2608168), (8, 1630105), (10, 1304084), (19, 686360), (20, 652042), (38, 343180), (40, 326021), (76, 171590), (95, 137272), (152, 85795), (190, 68636), (380, 34318), (760, 17159)]