1691920

素因数分解:

$2^4\times 5^1\times {\mathrm{21149}}^1$

素因数の和:21162

約数の個数: 20

約数和(自身を含む): 3933900

約数和(自身を除く): 2241980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21149, 42298, 84596, 105745, 169192, 211490, 338384, 422980, 845960, 1691920]

約数ペア:

[(1, 1691920), (2, 845960), (4, 422980), (5, 338384), (8, 211490), (10, 169192), (16, 105745), (20, 84596), (40, 42298), (80, 21149)]