51548080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1366

約数の個数: 80

約数和(自身を含む): 131375520

約数和(自身を除く): 79827440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1307, 1360, 1972, 2320, 2465, 2614, 3944, 4930, 5228, 6535, 7888, 9860, 10456, 13070, 19720, 20912, 22219, 26140, 37903, 39440, 44438, 52280, 75806, 88876, 104560, 111095, 151612, 177752, 189515, 222190, 303224, 355504, 379030, 444380, 606448, 644351, 758060, 888760, 1288702, 1516120, 1777520, 2577404, 3032240, 3221755, 5154808, 6443510, 10309616, 12887020, 25774040, 51548080]

約数ペア:

[(1, 51548080), (2, 25774040), (4, 12887020), (5, 10309616), (8, 6443510), (10, 5154808), (16, 3221755), (17, 3032240), (20, 2577404), (29, 1777520), (34, 1516120), (40, 1288702), (58, 888760), (68, 758060), (80, 644351), (85, 606448), (116, 444380), (136, 379030), (145, 355504), (170, 303224), (232, 222190), (272, 189515), (290, 177752), (340, 151612), (464, 111095), (493, 104560), (580, 88876), (680, 75806), (986, 52280), (1160, 44438), (1307, 39440), (1360, 37903), (1972, 26140), (2320, 22219), (2465, 20912), (2614, 19720), (3944, 13070), (4930, 10456), (5228, 9860), (6535, 7888)]