9904040

素因数分解:

$2^3\times 5^1\times {\mathrm{247601}}^1$

素因数の和:247612

約数の個数: 16

約数和(自身を含む): 22284180

約数和(自身を除く): 12380140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247601, 495202, 990404, 1238005, 1980808, 2476010, 4952020, 9904040]

約数ペア:

[(1, 9904040), (2, 4952020), (4, 2476010), (5, 1980808), (8, 1238005), (10, 990404), (20, 495202), (40, 247601)]