3996040

素因数分解:

$2^3\times 5^1\times {\mathrm{99901}}^1$

素因数の和:99912

約数の個数: 16

約数和(自身を含む): 8991180

約数和(自身を除く): 4995140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99901, 199802, 399604, 499505, 799208, 999010, 1998020, 3996040]

約数ペア:

[(1, 3996040), (2, 1998020), (4, 999010), (5, 799208), (8, 499505), (10, 399604), (20, 199802), (40, 99901)]