541280

素因数分解:

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

素因数の和:231

約数の個数: 48

約数和(自身を含む): 1360800

約数和(自身を除く): 819520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 199, 272, 340, 398, 544, 680, 796, 995, 1360, 1592, 1990, 2720, 3184, 3383, 3980, 6368, 6766, 7960, 13532, 15920, 16915, 27064, 31840, 33830, 54128, 67660, 108256, 135320, 270640, 541280]

約数ペア:

[(1, 541280), (2, 270640), (4, 135320), (5, 108256), (8, 67660), (10, 54128), (16, 33830), (17, 31840), (20, 27064), (32, 16915), (34, 15920), (40, 13532), (68, 7960), (80, 6766), (85, 6368), (136, 3980), (160, 3383), (170, 3184), (199, 2720), (272, 1990), (340, 1592), (398, 1360), (544, 995), (680, 796)]