1680452440

素因数分解:

$2^3\times 5^1\times {\mathrm{42011311}}^1$

素因数の和:42011322

約数の個数: 16

約数和(自身を含む): 3781018080

約数和(自身を除く): 2100565640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 42011311, 84022622, 168045244, 210056555, 336090488, 420113110, 840226220, 1680452440]

約数ペア:

[(1, 1680452440), (2, 840226220), (4, 420113110), (5, 336090488), (8, 210056555), (10, 168045244), (20, 84022622), (40, 42011311)]