85951840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 231218064

約数和(自身を除く): 145266224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 43, 52, 62, 65, 80, 86, 104, 124, 130, 155, 160, 172, 208, 215, 248, 260, 310, 344, 403, 416, 430, 496, 520, 559, 620, 688, 806, 860, 961, 992, 1040, 1118, 1240, 1333, 1376, 1612, 1720, 1922, 2015, 2080, 2236, 2480, 2666, 2795, 3224, 3440, 3844, 4030, 4472, 4805, 4960, 5332, 5590, 6448, 6665, 6880, 7688, 8060, 8944, 9610, 10664, 11180, 12493, 12896, 13330, 15376, 16120, 17329, 17888, 19220, 21328, 22360, 24986, 26660, 30752, 32240, 34658, 38440, 41323, 42656, 44720, 49972, 53320, 62465, 64480, 69316, 76880, 82646, 86645, 89440, 99944, 106640, 124930, 138632, 153760, 165292, 173290, 199888, 206615, 213280, 249860, 277264, 330584, 346580, 399776, 413230, 499720, 537199, 554528, 661168, 693160, 826460, 999440, 1074398, 1322336, 1386320, 1652920, 1998880, 2148796, 2685995, 2772640, 3305840, 4297592, 5371990, 6611680, 8595184, 10743980, 17190368, 21487960, 42975920, 85951840]

約数ペア:

[(1, 85951840), (2, 42975920), (4, 21487960), (5, 17190368), (8, 10743980), (10, 8595184), (13, 6611680), (16, 5371990), (20, 4297592), (26, 3305840), (31, 2772640), (32, 2685995), (40, 2148796), (43, 1998880), (52, 1652920), (62, 1386320), (65, 1322336), (80, 1074398), (86, 999440), (104, 826460), (124, 693160), (130, 661168), (155, 554528), (160, 537199), (172, 499720), (208, 413230), (215, 399776), (248, 346580), (260, 330584), (310, 277264), (344, 249860), (403, 213280), (416, 206615), (430, 199888), (496, 173290), (520, 165292), (559, 153760), (620, 138632), (688, 124930), (806, 106640), (860, 99944), (961, 89440), (992, 86645), (1040, 82646), (1118, 76880), (1240, 69316), (1333, 64480), (1376, 62465), (1612, 53320), (1720, 49972), (1922, 44720), (2015, 42656), (2080, 41323), (2236, 38440), (2480, 34658), (2666, 32240), (2795, 30752), (3224, 26660), (3440, 24986), (3844, 22360), (4030, 21328), (4472, 19220), (4805, 17888), (4960, 17329), (5332, 16120), (5590, 15376), (6448, 13330), (6665, 12896), (6880, 12493), (7688, 11180), (8060, 10664), (8944, 9610)]