28402060

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1433}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 59746176

約数和(自身を除く): 31344116

約数列:

[1, 2, 4, 5, 10, 20, 991, 1433, 1982, 2866, 3964, 4955, 5732, 7165, 9910, 14330, 19820, 28660, 1420103, 2840206, 5680412, 7100515, 14201030, 28402060]

約数ペア:

[(1, 28402060), (2, 14201030), (4, 7100515), (5, 5680412), (10, 2840206), (20, 1420103), (991, 28660), (1433, 19820), (1982, 14330), (2866, 9910), (3964, 7165), (4955, 5732)]