13421680

素因数分解:

$2^4\times 5^1\times {\mathrm{167771}}^1$

素因数の和:167784

約数の個数: 20

約数和(自身を含む): 31205592

約数和(自身を除く): 17783912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167771, 335542, 671084, 838855, 1342168, 1677710, 2684336, 3355420, 6710840, 13421680]

約数ペア:

[(1, 13421680), (2, 6710840), (4, 3355420), (5, 2684336), (8, 1677710), (10, 1342168), (16, 838855), (20, 671084), (40, 335542), (80, 167771)]