205548760

素因数分解:

$2^3\times 5^1\times {\mathrm{5138719}}^1$

素因数の和:5138730

約数の個数: 16

約数和(自身を含む): 462484800

約数和(自身を除く): 256936040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5138719, 10277438, 20554876, 25693595, 41109752, 51387190, 102774380, 205548760]

約数ペア:

[(1, 205548760), (2, 102774380), (4, 51387190), (5, 41109752), (8, 25693595), (10, 20554876), (20, 10277438), (40, 5138719)]