54748880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 135408000

約数和(自身を除く): 80659120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 181, 190, 199, 304, 362, 380, 398, 724, 760, 796, 905, 995, 1448, 1520, 1592, 1810, 1990, 2896, 3184, 3439, 3620, 3781, 3980, 6878, 7240, 7562, 7960, 13756, 14480, 15124, 15920, 17195, 18905, 27512, 30248, 34390, 36019, 37810, 55024, 60496, 68780, 72038, 75620, 137560, 144076, 151240, 180095, 275120, 288152, 302480, 360190, 576304, 684361, 720380, 1368722, 1440760, 2737444, 2881520, 3421805, 5474888, 6843610, 10949776, 13687220, 27374440, 54748880]

約数ペア:

[(1, 54748880), (2, 27374440), (4, 13687220), (5, 10949776), (8, 6843610), (10, 5474888), (16, 3421805), (19, 2881520), (20, 2737444), (38, 1440760), (40, 1368722), (76, 720380), (80, 684361), (95, 576304), (152, 360190), (181, 302480), (190, 288152), (199, 275120), (304, 180095), (362, 151240), (380, 144076), (398, 137560), (724, 75620), (760, 72038), (796, 68780), (905, 60496), (995, 55024), (1448, 37810), (1520, 36019), (1592, 34390), (1810, 30248), (1990, 27512), (2896, 18905), (3184, 17195), (3439, 15920), (3620, 15124), (3781, 14480), (3980, 13756), (6878, 7960), (7240, 7562)]