80557264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{264991}}^1$

素因数の和:265018

約数の個数: 20

約数和(自身を含む): 164295040

約数和(自身を除く): 83737776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 264991, 529982, 1059964, 2119928, 4239856, 5034829, 10069658, 20139316, 40278632, 80557264]

約数ペア:

[(1, 80557264), (2, 40278632), (4, 20139316), (8, 10069658), (16, 5034829), (19, 4239856), (38, 2119928), (76, 1059964), (152, 529982), (304, 264991)]