2080204105

素因数分解:

$5^1\times 7^3\times {\mathrm{509}}^1\times {\mathrm{2383}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 2918016000

約数和(自身を除く): 837811895

約数列:

[1, 5, 7, 35, 49, 245, 343, 509, 1715, 2383, 2545, 3563, 11915, 16681, 17815, 24941, 83405, 116767, 124705, 174587, 583835, 817369, 872935, 1212947, 4086845, 6064735, 8490629, 42453145, 59434403, 297172015, 416040821, 2080204105]

約数ペア:

[(1, 2080204105), (5, 416040821), (7, 297172015), (35, 59434403), (49, 42453145), (245, 8490629), (343, 6064735), (509, 4086845), (1715, 1212947), (2383, 872935), (2545, 817369), (3563, 583835), (11915, 174587), (16681, 124705), (17815, 116767), (24941, 83405)]