8708432020

素因数分解:

$2^2\times 5^1\times {\mathrm{8311}}^1\times {\mathrm{52391}}^1$

素因数の和:60711

約数の個数: 24

約数和(自身を含む): 18290256768

約数和(自身を除く): 9581824748

約数列:

[1, 2, 4, 5, 10, 20, 8311, 16622, 33244, 41555, 52391, 83110, 104782, 166220, 209564, 261955, 523910, 1047820, 435421601, 870843202, 1741686404, 2177108005, 4354216010, 8708432020]

約数ペア:

[(1, 8708432020), (2, 4354216010), (4, 2177108005), (5, 1741686404), (10, 870843202), (20, 435421601), (8311, 1047820), (16622, 523910), (33244, 261955), (41555, 209564), (52391, 166220), (83110, 104782)]