208984760

素因数分解:

$2^3\times 5^1\times {\mathrm{5224619}}^1$

素因数の和:5224630

約数の個数: 16

約数和(自身を含む): 470215800

約数和(自身を除く): 261231040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5224619, 10449238, 20898476, 26123095, 41796952, 52246190, 104492380, 208984760]

約数ペア:

[(1, 208984760), (2, 104492380), (4, 52246190), (5, 41796952), (8, 26123095), (10, 20898476), (20, 10449238), (40, 5224619)]