53188720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 134366400

約数和(自身を除く): 81177680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 257, 260, 398, 514, 520, 796, 995, 1028, 1040, 1285, 1592, 1990, 2056, 2570, 2587, 3184, 3341, 3980, 4112, 5140, 5174, 6682, 7960, 10280, 10348, 12935, 13364, 15920, 16705, 20560, 20696, 25870, 26728, 33410, 41392, 51143, 51740, 53456, 66820, 102286, 103480, 133640, 204572, 206960, 255715, 267280, 409144, 511430, 664859, 818288, 1022860, 1329718, 2045720, 2659436, 3324295, 4091440, 5318872, 6648590, 10637744, 13297180, 26594360, 53188720]

約数ペア:

[(1, 53188720), (2, 26594360), (4, 13297180), (5, 10637744), (8, 6648590), (10, 5318872), (13, 4091440), (16, 3324295), (20, 2659436), (26, 2045720), (40, 1329718), (52, 1022860), (65, 818288), (80, 664859), (104, 511430), (130, 409144), (199, 267280), (208, 255715), (257, 206960), (260, 204572), (398, 133640), (514, 103480), (520, 102286), (796, 66820), (995, 53456), (1028, 51740), (1040, 51143), (1285, 41392), (1592, 33410), (1990, 26728), (2056, 25870), (2570, 20696), (2587, 20560), (3184, 16705), (3341, 15920), (3980, 13364), (4112, 12935), (5140, 10348), (5174, 10280), (6682, 7960)]