16349840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 41664000

約数和(自身を除く): 25314160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 199, 208, 260, 316, 395, 398, 520, 632, 790, 796, 995, 1027, 1040, 1264, 1580, 1592, 1990, 2054, 2587, 3160, 3184, 3980, 4108, 5135, 5174, 6320, 7960, 8216, 10270, 10348, 12935, 15721, 15920, 16432, 20540, 20696, 25870, 31442, 41080, 41392, 51740, 62884, 78605, 82160, 103480, 125768, 157210, 204373, 206960, 251536, 314420, 408746, 628840, 817492, 1021865, 1257680, 1634984, 2043730, 3269968, 4087460, 8174920, 16349840]

約数ペア:

[(1, 16349840), (2, 8174920), (4, 4087460), (5, 3269968), (8, 2043730), (10, 1634984), (13, 1257680), (16, 1021865), (20, 817492), (26, 628840), (40, 408746), (52, 314420), (65, 251536), (79, 206960), (80, 204373), (104, 157210), (130, 125768), (158, 103480), (199, 82160), (208, 78605), (260, 62884), (316, 51740), (395, 41392), (398, 41080), (520, 31442), (632, 25870), (790, 20696), (796, 20540), (995, 16432), (1027, 15920), (1040, 15721), (1264, 12935), (1580, 10348), (1592, 10270), (1990, 8216), (2054, 7960), (2587, 6320), (3160, 5174), (3184, 5135), (3980, 4108)]