9788840

素因数分解:

$2^3\times 5^1\times {\mathrm{244721}}^1$

素因数の和:244732

約数の個数: 16

約数和(自身を含む): 22024980

約数和(自身を除く): 12236140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 244721, 489442, 978884, 1223605, 1957768, 2447210, 4894420, 9788840]

約数ペア:

[(1, 9788840), (2, 4894420), (4, 2447210), (5, 1957768), (8, 1223605), (10, 978884), (20, 489442), (40, 244721)]