51154840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 137376000

約数和(自身を除く): 86221160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 29, 38, 40, 44, 55, 58, 76, 88, 95, 110, 116, 145, 152, 190, 209, 211, 220, 232, 290, 319, 380, 418, 422, 440, 551, 580, 638, 760, 836, 844, 1045, 1055, 1102, 1160, 1276, 1595, 1672, 1688, 2090, 2110, 2204, 2321, 2552, 2755, 3190, 4009, 4180, 4220, 4408, 4642, 5510, 6061, 6119, 6380, 8018, 8360, 8440, 9284, 11020, 11605, 12122, 12238, 12760, 16036, 18568, 20045, 22040, 23210, 24244, 24476, 30305, 30595, 32072, 40090, 44099, 46420, 48488, 48952, 60610, 61190, 67309, 80180, 88198, 92840, 116261, 121220, 122380, 134618, 160360, 176396, 220495, 232522, 242440, 244760, 269236, 336545, 352792, 440990, 465044, 538472, 581305, 673090, 881980, 930088, 1162610, 1278871, 1346180, 1763960, 2325220, 2557742, 2692360, 4650440, 5115484, 6394355, 10230968, 12788710, 25577420, 51154840]

約数ペア:

[(1, 51154840), (2, 25577420), (4, 12788710), (5, 10230968), (8, 6394355), (10, 5115484), (11, 4650440), (19, 2692360), (20, 2557742), (22, 2325220), (29, 1763960), (38, 1346180), (40, 1278871), (44, 1162610), (55, 930088), (58, 881980), (76, 673090), (88, 581305), (95, 538472), (110, 465044), (116, 440990), (145, 352792), (152, 336545), (190, 269236), (209, 244760), (211, 242440), (220, 232522), (232, 220495), (290, 176396), (319, 160360), (380, 134618), (418, 122380), (422, 121220), (440, 116261), (551, 92840), (580, 88198), (638, 80180), (760, 67309), (836, 61190), (844, 60610), (1045, 48952), (1055, 48488), (1102, 46420), (1160, 44099), (1276, 40090), (1595, 32072), (1672, 30595), (1688, 30305), (2090, 24476), (2110, 24244), (2204, 23210), (2321, 22040), (2552, 20045), (2755, 18568), (3190, 16036), (4009, 12760), (4180, 12238), (4220, 12122), (4408, 11605), (4642, 11020), (5510, 9284), (6061, 8440), (6119, 8360), (6380, 8018)]