28851920

素因数分解:

$2^4\times 5^1\times {\mathrm{360649}}^1$

素因数の和:360662

約数の個数: 20

約数和(自身を含む): 67080900

約数和(自身を除く): 38228980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 360649, 721298, 1442596, 1803245, 2885192, 3606490, 5770384, 7212980, 14425960, 28851920]

約数ペア:

[(1, 28851920), (2, 14425960), (4, 7212980), (5, 5770384), (8, 3606490), (10, 2885192), (16, 1803245), (20, 1442596), (40, 721298), (80, 360649)]