2911880

素因数分解:

$2^3\times 5^1\times {\mathrm{72797}}^1$

素因数の和:72808

約数の個数: 16

約数和(自身を含む): 6551820

約数和(自身を除く): 3639940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72797, 145594, 291188, 363985, 582376, 727970, 1455940, 2911880]

約数ペア:

[(1, 2911880), (2, 1455940), (4, 727970), (5, 582376), (8, 363985), (10, 291188), (20, 145594), (40, 72797)]