55789040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 135928800

約数和(自身を除く): 80139760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 139, 145, 173, 232, 278, 290, 346, 464, 556, 580, 692, 695, 865, 1112, 1160, 1384, 1390, 1730, 2224, 2320, 2768, 2780, 3460, 4031, 5017, 5560, 6920, 8062, 10034, 11120, 13840, 16124, 20068, 20155, 24047, 25085, 32248, 40136, 40310, 48094, 50170, 64496, 80272, 80620, 96188, 100340, 120235, 161240, 192376, 200680, 240470, 322480, 384752, 401360, 480940, 697363, 961880, 1394726, 1923760, 2789452, 3486815, 5578904, 6973630, 11157808, 13947260, 27894520, 55789040]

約数ペア:

[(1, 55789040), (2, 27894520), (4, 13947260), (5, 11157808), (8, 6973630), (10, 5578904), (16, 3486815), (20, 2789452), (29, 1923760), (40, 1394726), (58, 961880), (80, 697363), (116, 480940), (139, 401360), (145, 384752), (173, 322480), (232, 240470), (278, 200680), (290, 192376), (346, 161240), (464, 120235), (556, 100340), (580, 96188), (692, 80620), (695, 80272), (865, 64496), (1112, 50170), (1160, 48094), (1384, 40310), (1390, 40136), (1730, 32248), (2224, 25085), (2320, 24047), (2768, 20155), (2780, 20068), (3460, 16124), (4031, 13840), (5017, 11120), (5560, 10034), (6920, 8062)]