1680455080

素因数分解:

$2^3\times 5^1\times {\mathrm{42011377}}^1$

素因数の和:42011388

約数の個数: 16

約数和(自身を含む): 3781024020

約数和(自身を除く): 2100568940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 42011377, 84022754, 168045508, 210056885, 336091016, 420113770, 840227540, 1680455080]

約数ペア:

[(1, 1680455080), (2, 840227540), (4, 420113770), (5, 336091016), (8, 210056885), (10, 168045508), (20, 84022754), (40, 42011377)]