131157980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{51637}}^1$

素因数の和:51773

約数の個数: 24

約数和(自身を含む): 277605888

約数和(自身を除く): 146447908

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 51637, 103274, 206548, 258185, 516370, 1032740, 6557899, 13115798, 26231596, 32789495, 65578990, 131157980]

約数ペア:

[(1, 131157980), (2, 65578990), (4, 32789495), (5, 26231596), (10, 13115798), (20, 6557899), (127, 1032740), (254, 516370), (508, 258185), (635, 206548), (1270, 103274), (2540, 51637)]