28395360680

素因数分解:

$2^3\times 5^1\times {\mathrm{709884017}}^1$

素因数の和:709884028

約数の個数: 16

約数和(自身を含む): 63889561620

約数和(自身を除く): 35494200940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709884017, 1419768034, 2839536068, 3549420085, 5679072136, 7098840170, 14197680340, 28395360680]

約数ペア:

[(1, 28395360680), (2, 14197680340), (4, 7098840170), (5, 5679072136), (8, 3549420085), (10, 2839536068), (20, 1419768034), (40, 709884017)]