51970880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 126

約数和(自身を含む): 138469878

約数和(自身を除く): 86498998

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 320, 338, 403, 416, 496, 520, 620, 676, 806, 832, 845, 961, 992, 1040, 1240, 1352, 1612, 1690, 1922, 1984, 2015, 2080, 2480, 2704, 3224, 3380, 3844, 4030, 4160, 4805, 4960, 5239, 5408, 6448, 6760, 7688, 8060, 9610, 9920, 10478, 10816, 12493, 12896, 13520, 15376, 16120, 19220, 20956, 24986, 25792, 26195, 27040, 30752, 32240, 38440, 41912, 49972, 52390, 54080, 61504, 62465, 64480, 76880, 83824, 99944, 104780, 124930, 128960, 153760, 162409, 167648, 199888, 209560, 249860, 307520, 324818, 335296, 399776, 419120, 499720, 649636, 799552, 812045, 838240, 999440, 1299272, 1624090, 1676480, 1998880, 2598544, 3248180, 3997760, 5197088, 6496360, 10394176, 12992720, 25985440, 51970880]

約数ペア:

[(1, 51970880), (2, 25985440), (4, 12992720), (5, 10394176), (8, 6496360), (10, 5197088), (13, 3997760), (16, 3248180), (20, 2598544), (26, 1998880), (31, 1676480), (32, 1624090), (40, 1299272), (52, 999440), (62, 838240), (64, 812045), (65, 799552), (80, 649636), (104, 499720), (124, 419120), (130, 399776), (155, 335296), (160, 324818), (169, 307520), (208, 249860), (248, 209560), (260, 199888), (310, 167648), (320, 162409), (338, 153760), (403, 128960), (416, 124930), (496, 104780), (520, 99944), (620, 83824), (676, 76880), (806, 64480), (832, 62465), (845, 61504), (961, 54080), (992, 52390), (1040, 49972), (1240, 41912), (1352, 38440), (1612, 32240), (1690, 30752), (1922, 27040), (1984, 26195), (2015, 25792), (2080, 24986), (2480, 20956), (2704, 19220), (3224, 16120), (3380, 15376), (3844, 13520), (4030, 12896), (4160, 12493), (4805, 10816), (4960, 10478), (5239, 9920), (5408, 9610), (6448, 8060), (6760, 7688)]