5142160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 13392000

約数和(自身を除く): 8249840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 199, 272, 304, 323, 340, 380, 398, 646, 680, 760, 796, 995, 1292, 1360, 1520, 1592, 1615, 1990, 2584, 3184, 3230, 3383, 3781, 3980, 5168, 6460, 6766, 7562, 7960, 12920, 13532, 15124, 15920, 16915, 18905, 25840, 27064, 30248, 33830, 37810, 54128, 60496, 64277, 67660, 75620, 128554, 135320, 151240, 257108, 270640, 302480, 321385, 514216, 642770, 1028432, 1285540, 2571080, 5142160]

約数ペア:

[(1, 5142160), (2, 2571080), (4, 1285540), (5, 1028432), (8, 642770), (10, 514216), (16, 321385), (17, 302480), (19, 270640), (20, 257108), (34, 151240), (38, 135320), (40, 128554), (68, 75620), (76, 67660), (80, 64277), (85, 60496), (95, 54128), (136, 37810), (152, 33830), (170, 30248), (190, 27064), (199, 25840), (272, 18905), (304, 16915), (323, 15920), (340, 15124), (380, 13532), (398, 12920), (646, 7960), (680, 7562), (760, 6766), (796, 6460), (995, 5168), (1292, 3980), (1360, 3781), (1520, 3383), (1592, 3230), (1615, 3184), (1990, 2584)]