208347760

素因数分解:

$2^4\times 5^1\times {\mathrm{2604347}}^1$

素因数の和:2604360

約数の個数: 20

約数和(自身を含む): 484408728

約数和(自身を除く): 276060968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2604347, 5208694, 10417388, 13021735, 20834776, 26043470, 41669552, 52086940, 104173880, 208347760]

約数ペア:

[(1, 208347760), (2, 104173880), (4, 52086940), (5, 41669552), (8, 26043470), (10, 20834776), (16, 13021735), (20, 10417388), (40, 5208694), (80, 2604347)]