55513040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 141955200

約数和(自身を除く): 86442160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 317, 398, 440, 634, 796, 880, 995, 1268, 1585, 1592, 1990, 2189, 2536, 3170, 3184, 3487, 3980, 4378, 5072, 6340, 6974, 7960, 8756, 10945, 12680, 13948, 15920, 17435, 17512, 21890, 25360, 27896, 34870, 35024, 43780, 55792, 63083, 69740, 87560, 126166, 139480, 175120, 252332, 278960, 315415, 504664, 630830, 693913, 1009328, 1261660, 1387826, 2523320, 2775652, 3469565, 5046640, 5551304, 6939130, 11102608, 13878260, 27756520, 55513040]

約数ペア:

[(1, 55513040), (2, 27756520), (4, 13878260), (5, 11102608), (8, 6939130), (10, 5551304), (11, 5046640), (16, 3469565), (20, 2775652), (22, 2523320), (40, 1387826), (44, 1261660), (55, 1009328), (80, 693913), (88, 630830), (110, 504664), (176, 315415), (199, 278960), (220, 252332), (317, 175120), (398, 139480), (440, 126166), (634, 87560), (796, 69740), (880, 63083), (995, 55792), (1268, 43780), (1585, 35024), (1592, 34870), (1990, 27896), (2189, 25360), (2536, 21890), (3170, 17512), (3184, 17435), (3487, 15920), (3980, 13948), (4378, 12680), (5072, 10945), (6340, 8756), (6974, 7960)]