51660400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 138384000

約数和(自身を除く): 86723600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 59, 80, 88, 100, 110, 118, 176, 199, 200, 220, 236, 275, 295, 398, 400, 440, 472, 550, 590, 649, 796, 880, 944, 995, 1100, 1180, 1298, 1475, 1592, 1990, 2189, 2200, 2360, 2596, 2950, 3184, 3245, 3980, 4378, 4400, 4720, 4975, 5192, 5900, 6490, 7960, 8756, 9950, 10384, 10945, 11741, 11800, 12980, 15920, 16225, 17512, 19900, 21890, 23482, 23600, 25960, 32450, 35024, 39800, 43780, 46964, 51920, 54725, 58705, 64900, 79600, 87560, 93928, 109450, 117410, 129151, 129800, 175120, 187856, 218900, 234820, 258302, 259600, 293525, 437800, 469640, 516604, 587050, 645755, 875600, 939280, 1033208, 1174100, 1291510, 2066416, 2348200, 2583020, 3228775, 4696400, 5166040, 6457550, 10332080, 12915100, 25830200, 51660400]

約数ペア:

[(1, 51660400), (2, 25830200), (4, 12915100), (5, 10332080), (8, 6457550), (10, 5166040), (11, 4696400), (16, 3228775), (20, 2583020), (22, 2348200), (25, 2066416), (40, 1291510), (44, 1174100), (50, 1033208), (55, 939280), (59, 875600), (80, 645755), (88, 587050), (100, 516604), (110, 469640), (118, 437800), (176, 293525), (199, 259600), (200, 258302), (220, 234820), (236, 218900), (275, 187856), (295, 175120), (398, 129800), (400, 129151), (440, 117410), (472, 109450), (550, 93928), (590, 87560), (649, 79600), (796, 64900), (880, 58705), (944, 54725), (995, 51920), (1100, 46964), (1180, 43780), (1298, 39800), (1475, 35024), (1592, 32450), (1990, 25960), (2189, 23600), (2200, 23482), (2360, 21890), (2596, 19900), (2950, 17512), (3184, 16225), (3245, 15920), (3980, 12980), (4378, 11800), (4400, 11741), (4720, 10945), (4975, 10384), (5192, 9950), (5900, 8756), (6490, 7960)]