52639480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 126360000

約数和(自身を除く): 73720520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 340, 389, 398, 680, 778, 796, 995, 1556, 1592, 1945, 1990, 3112, 3383, 3890, 3980, 6613, 6766, 7780, 7960, 13226, 13532, 15560, 16915, 26452, 27064, 33065, 33830, 52904, 66130, 67660, 77411, 132260, 135320, 154822, 264520, 309644, 387055, 619288, 774110, 1315987, 1548220, 2631974, 3096440, 5263948, 6579935, 10527896, 13159870, 26319740, 52639480]

約数ペア:

[(1, 52639480), (2, 26319740), (4, 13159870), (5, 10527896), (8, 6579935), (10, 5263948), (17, 3096440), (20, 2631974), (34, 1548220), (40, 1315987), (68, 774110), (85, 619288), (136, 387055), (170, 309644), (199, 264520), (340, 154822), (389, 135320), (398, 132260), (680, 77411), (778, 67660), (796, 66130), (995, 52904), (1556, 33830), (1592, 33065), (1945, 27064), (1990, 26452), (3112, 16915), (3383, 15560), (3890, 13532), (3980, 13226), (6613, 7960), (6766, 7780)]