9954440

素因数分解:

$2^3\times 5^1\times {\mathrm{248861}}^1$

素因数の和:248872

約数の個数: 16

約数和(自身を含む): 22397580

約数和(自身を除く): 12443140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 248861, 497722, 995444, 1244305, 1990888, 2488610, 4977220, 9954440]

約数ペア:

[(1, 9954440), (2, 4977220), (4, 2488610), (5, 1990888), (8, 1244305), (10, 995444), (20, 497722), (40, 248861)]