131879480

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{3137}}^1$

素因数の和:4199

約数の個数: 32

約数和(自身を含む): 297105840

約数和(自身を除く): 165226360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 3137, 4204, 5255, 6274, 8408, 10510, 12548, 15685, 21020, 25096, 31370, 42040, 62740, 125480, 3296987, 6593974, 13187948, 16484935, 26375896, 32969870, 65939740, 131879480]

約数ペア:

[(1, 131879480), (2, 65939740), (4, 32969870), (5, 26375896), (8, 16484935), (10, 13187948), (20, 6593974), (40, 3296987), (1051, 125480), (2102, 62740), (3137, 42040), (4204, 31370), (5255, 25096), (6274, 21020), (8408, 15685), (10510, 12548)]