81265888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 190512000

約数和(自身を除く): 109246112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 32, 38, 44, 58, 76, 88, 116, 152, 176, 209, 232, 304, 319, 352, 418, 419, 464, 551, 608, 638, 836, 838, 928, 1102, 1276, 1672, 1676, 2204, 2552, 3344, 3352, 4408, 4609, 5104, 6061, 6688, 6704, 7961, 8816, 9218, 10208, 12122, 12151, 13408, 15922, 17632, 18436, 24244, 24302, 31844, 36872, 48488, 48604, 63688, 73744, 87571, 96976, 97208, 127376, 133661, 147488, 175142, 193952, 194416, 230869, 254752, 267322, 350284, 388832, 461738, 534644, 700568, 923476, 1069288, 1401136, 1846952, 2138576, 2539559, 2802272, 3693904, 4277152, 5079118, 7387808, 10158236, 20316472, 40632944, 81265888]

約数ペア:

[(1, 81265888), (2, 40632944), (4, 20316472), (8, 10158236), (11, 7387808), (16, 5079118), (19, 4277152), (22, 3693904), (29, 2802272), (32, 2539559), (38, 2138576), (44, 1846952), (58, 1401136), (76, 1069288), (88, 923476), (116, 700568), (152, 534644), (176, 461738), (209, 388832), (232, 350284), (304, 267322), (319, 254752), (352, 230869), (418, 194416), (419, 193952), (464, 175142), (551, 147488), (608, 133661), (638, 127376), (836, 97208), (838, 96976), (928, 87571), (1102, 73744), (1276, 63688), (1672, 48604), (1676, 48488), (2204, 36872), (2552, 31844), (3344, 24302), (3352, 24244), (4408, 18436), (4609, 17632), (5104, 15922), (6061, 13408), (6688, 12151), (6704, 12122), (7961, 10208), (8816, 9218)]