4047920

素因数分解:

$2^4\times 5^1\times {\mathrm{50599}}^1$

素因数の和:50612

約数の個数: 20

約数和(自身を含む): 9411600

約数和(自身を除く): 5363680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50599, 101198, 202396, 252995, 404792, 505990, 809584, 1011980, 2023960, 4047920]

約数ペア:

[(1, 4047920), (2, 2023960), (4, 1011980), (5, 809584), (8, 505990), (10, 404792), (16, 252995), (20, 202396), (40, 101198), (80, 50599)]