27756520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 68688000

約数和(自身を除く): 40931480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 317, 398, 440, 634, 796, 995, 1268, 1585, 1592, 1990, 2189, 2536, 3170, 3487, 3980, 4378, 6340, 6974, 7960, 8756, 10945, 12680, 13948, 17435, 17512, 21890, 27896, 34870, 43780, 63083, 69740, 87560, 126166, 139480, 252332, 315415, 504664, 630830, 693913, 1261660, 1387826, 2523320, 2775652, 3469565, 5551304, 6939130, 13878260, 27756520]

約数ペア:

[(1, 27756520), (2, 13878260), (4, 6939130), (5, 5551304), (8, 3469565), (10, 2775652), (11, 2523320), (20, 1387826), (22, 1261660), (40, 693913), (44, 630830), (55, 504664), (88, 315415), (110, 252332), (199, 139480), (220, 126166), (317, 87560), (398, 69740), (440, 63083), (634, 43780), (796, 34870), (995, 27896), (1268, 21890), (1585, 17512), (1592, 17435), (1990, 13948), (2189, 12680), (2536, 10945), (3170, 8756), (3487, 7960), (3980, 6974), (4378, 6340)]