9912440

素因数分解:

$2^3\times 5^1\times {\mathrm{247811}}^1$

素因数の和:247822

約数の個数: 16

約数和(自身を含む): 22303080

約数和(自身を除く): 12390640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247811, 495622, 991244, 1239055, 1982488, 2478110, 4956220, 9912440]

約数ペア:

[(1, 9912440), (2, 4956220), (4, 2478110), (5, 1982488), (8, 1239055), (10, 991244), (20, 495622), (40, 247811)]