158322020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16057}}^1$

素因数の和:16112

約数の個数: 48

約数和(自身を含む): 364195440

約数和(自身を除く): 205873420

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 16057, 32114, 64228, 80285, 160570, 272969, 321140, 465653, 545938, 931306, 1091876, 1364845, 1862612, 2328265, 2729690, 4656530, 5459380, 7916101, 9313060, 15832202, 31664404, 39580505, 79161010, 158322020]

約数ペア:

[(1, 158322020), (2, 79161010), (4, 39580505), (5, 31664404), (10, 15832202), (17, 9313060), (20, 7916101), (29, 5459380), (34, 4656530), (58, 2729690), (68, 2328265), (85, 1862612), (116, 1364845), (145, 1091876), (170, 931306), (290, 545938), (340, 465653), (493, 321140), (580, 272969), (986, 160570), (1972, 80285), (2465, 64228), (4930, 32114), (9860, 16057)]