131405800

素因数分解:

$2^3\times 5^2\times {\mathrm{657029}}^1$

素因数の和:657045

約数の個数: 24

約数和(自身を含む): 305518950

約数和(自身を除く): 174113150

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 657029, 1314058, 2628116, 3285145, 5256232, 6570290, 13140580, 16425725, 26281160, 32851450, 65702900, 131405800]

約数ペア:

[(1, 131405800), (2, 65702900), (4, 32851450), (5, 26281160), (8, 16425725), (10, 13140580), (20, 6570290), (25, 5256232), (40, 3285145), (50, 2628116), (100, 1314058), (200, 657029)]