26252080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 39368720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 199, 272, 340, 388, 398, 485, 680, 776, 796, 970, 995, 1360, 1552, 1592, 1649, 1940, 1990, 3184, 3298, 3383, 3880, 3980, 6596, 6766, 7760, 7960, 8245, 13192, 13532, 15920, 16490, 16915, 19303, 26384, 27064, 32980, 33830, 38606, 54128, 65960, 67660, 77212, 96515, 131920, 135320, 154424, 193030, 270640, 308848, 328151, 386060, 656302, 772120, 1312604, 1544240, 1640755, 2625208, 3281510, 5250416, 6563020, 13126040, 26252080]

約数ペア:

[(1, 26252080), (2, 13126040), (4, 6563020), (5, 5250416), (8, 3281510), (10, 2625208), (16, 1640755), (17, 1544240), (20, 1312604), (34, 772120), (40, 656302), (68, 386060), (80, 328151), (85, 308848), (97, 270640), (136, 193030), (170, 154424), (194, 135320), (199, 131920), (272, 96515), (340, 77212), (388, 67660), (398, 65960), (485, 54128), (680, 38606), (776, 33830), (796, 32980), (970, 27064), (995, 26384), (1360, 19303), (1552, 16915), (1592, 16490), (1649, 15920), (1940, 13532), (1990, 13192), (3184, 8245), (3298, 7960), (3383, 7760), (3880, 6766), (3980, 6596)]