9781180

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1021}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 20603520

約数和(自身を除く): 10822340

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1021, 1916, 2042, 2395, 4084, 4790, 5105, 9580, 10210, 20420, 489059, 978118, 1956236, 2445295, 4890590, 9781180]

約数ペア:

[(1, 9781180), (2, 4890590), (4, 2445295), (5, 1956236), (10, 978118), (20, 489059), (479, 20420), (958, 10210), (1021, 9580), (1916, 5105), (2042, 4790), (2395, 4084)]