80890745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 108380160

約数和(自身を除く): 27489415

約数列:

[1, 5, 13, 41, 65, 127, 205, 239, 533, 635, 1195, 1651, 2665, 3107, 5207, 8255, 9799, 15535, 26035, 30353, 48995, 67691, 127387, 151765, 338455, 394589, 636935, 1244473, 1972945, 6222365, 16178149, 80890745]

約数ペア:

[(1, 80890745), (5, 16178149), (13, 6222365), (41, 1972945), (65, 1244473), (127, 636935), (205, 394589), (239, 338455), (533, 151765), (635, 127387), (1195, 67691), (1651, 48995), (2665, 30353), (3107, 26035), (5207, 15535), (8255, 9799)]