2488391720

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{80897}}^1$

素因数の和:81677

約数の個数: 32

約数和(自身を含む): 5606231400

約数和(自身を除く): 3117839680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 3076, 3845, 6152, 7690, 15380, 30760, 80897, 161794, 323588, 404485, 647176, 808970, 1617940, 3235880, 62209793, 124419586, 248839172, 311048965, 497678344, 622097930, 1244195860, 2488391720]

約数ペア:

[(1, 2488391720), (2, 1244195860), (4, 622097930), (5, 497678344), (8, 311048965), (10, 248839172), (20, 124419586), (40, 62209793), (769, 3235880), (1538, 1617940), (3076, 808970), (3845, 647176), (6152, 404485), (7690, 323588), (15380, 161794), (30760, 80897)]