81311650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8011}}^1$

素因数の和:8059

約数の個数: 48

約数和(自身を含む): 178827840

約数和(自身を除く): 97516190

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2030, 5075, 8011, 10150, 16022, 40055, 56077, 80110, 112154, 200275, 232319, 280385, 400550, 464638, 560770, 1161595, 1401925, 1626233, 2323190, 2803850, 3252466, 5807975, 8131165, 11615950, 16262330, 40655825, 81311650]

約数ペア:

[(1, 81311650), (2, 40655825), (5, 16262330), (7, 11615950), (10, 8131165), (14, 5807975), (25, 3252466), (29, 2803850), (35, 2323190), (50, 1626233), (58, 1401925), (70, 1161595), (145, 560770), (175, 464638), (203, 400550), (290, 280385), (350, 232319), (406, 200275), (725, 112154), (1015, 80110), (1450, 56077), (2030, 40055), (5075, 16022), (8011, 10150)]