2917821880

素因数分解:

$2^3\times 5^1\times {\mathrm{72945547}}^1$

素因数の和:72945558

約数の個数: 16

約数和(自身を含む): 6565099320

約数和(自身を除く): 3647277440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72945547, 145891094, 291782188, 364727735, 583564376, 729455470, 1458910940, 2917821880]

約数ペア:

[(1, 2917821880), (2, 1458910940), (4, 729455470), (5, 583564376), (8, 364727735), (10, 291782188), (20, 145891094), (40, 72945547)]