27171640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 36332360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 149, 188, 194, 235, 298, 376, 388, 470, 485, 596, 745, 776, 940, 970, 1192, 1490, 1880, 1940, 2980, 3880, 4559, 5960, 7003, 9118, 14006, 14453, 18236, 22795, 28012, 28906, 35015, 36472, 45590, 56024, 57812, 70030, 72265, 91180, 115624, 140060, 144530, 182360, 280120, 289060, 578120, 679291, 1358582, 2717164, 3396455, 5434328, 6792910, 13585820, 27171640]

約数ペア:

[(1, 27171640), (2, 13585820), (4, 6792910), (5, 5434328), (8, 3396455), (10, 2717164), (20, 1358582), (40, 679291), (47, 578120), (94, 289060), (97, 280120), (149, 182360), (188, 144530), (194, 140060), (235, 115624), (298, 91180), (376, 72265), (388, 70030), (470, 57812), (485, 56024), (596, 45590), (745, 36472), (776, 35015), (940, 28906), (970, 28012), (1192, 22795), (1490, 18236), (1880, 14453), (1940, 14006), (2980, 9118), (3880, 7003), (4559, 5960)]