744452020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2863277}}^1$

素因数の和:2863299

約数の個数: 24

約数和(自身を含む): 1683607464

約数和(自身を除く): 939155444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2863277, 5726554, 11453108, 14316385, 28632770, 37222601, 57265540, 74445202, 148890404, 186113005, 372226010, 744452020]

約数ペア:

[(1, 744452020), (2, 372226010), (4, 186113005), (5, 148890404), (10, 74445202), (13, 57265540), (20, 37222601), (26, 28632770), (52, 14316385), (65, 11453108), (130, 5726554), (260, 2863277)]