7848560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 20088000

約数和(自身を除く): 12239440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 199, 232, 272, 290, 340, 398, 464, 493, 580, 680, 796, 986, 995, 1160, 1360, 1592, 1972, 1990, 2320, 2465, 3184, 3383, 3944, 3980, 4930, 5771, 6766, 7888, 7960, 9860, 11542, 13532, 15920, 16915, 19720, 23084, 27064, 28855, 33830, 39440, 46168, 54128, 57710, 67660, 92336, 98107, 115420, 135320, 196214, 230840, 270640, 392428, 461680, 490535, 784856, 981070, 1569712, 1962140, 3924280, 7848560]

約数ペア:

[(1, 7848560), (2, 3924280), (4, 1962140), (5, 1569712), (8, 981070), (10, 784856), (16, 490535), (17, 461680), (20, 392428), (29, 270640), (34, 230840), (40, 196214), (58, 135320), (68, 115420), (80, 98107), (85, 92336), (116, 67660), (136, 57710), (145, 54128), (170, 46168), (199, 39440), (232, 33830), (272, 28855), (290, 27064), (340, 23084), (398, 19720), (464, 16915), (493, 15920), (580, 13532), (680, 11542), (796, 9860), (986, 7960), (995, 7888), (1160, 6766), (1360, 5771), (1592, 4930), (1972, 3980), (1990, 3944), (2320, 3383), (2465, 3184)]