42975920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 113773968

約数和(自身を除く): 70798048

約数列:

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

約数ペア:

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