84891920

素因数分解:

$2^4\times 5^1\times {\mathrm{1061149}}^1$

素因数の和:1061162

約数の個数: 20

約数和(自身を含む): 197373900

約数和(自身を除く): 112481980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1061149, 2122298, 4244596, 5305745, 8489192, 10611490, 16978384, 21222980, 42445960, 84891920]

約数ペア:

[(1, 84891920), (2, 42445960), (4, 21222980), (5, 16978384), (8, 10611490), (10, 8489192), (16, 5305745), (20, 4244596), (40, 2122298), (80, 1061149)]