51249520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 143178336

約数和(自身を除く): 91928816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 173, 184, 230, 280, 322, 346, 368, 460, 529, 560, 644, 692, 805, 865, 920, 1058, 1211, 1288, 1384, 1610, 1730, 1840, 2116, 2422, 2576, 2645, 2768, 3220, 3460, 3703, 3979, 4232, 4844, 5290, 6055, 6440, 6920, 7406, 7958, 8464, 9688, 10580, 12110, 12880, 13840, 14812, 15916, 18515, 19376, 19895, 21160, 24220, 27853, 29624, 31832, 37030, 39790, 42320, 48440, 55706, 59248, 63664, 74060, 79580, 91517, 96880, 111412, 139265, 148120, 159160, 183034, 222824, 278530, 296240, 318320, 366068, 445648, 457585, 557060, 640619, 732136, 915170, 1114120, 1281238, 1464272, 1830340, 2228240, 2562476, 3203095, 3660680, 5124952, 6406190, 7321360, 10249904, 12812380, 25624760, 51249520]

約数ペア:

[(1, 51249520), (2, 25624760), (4, 12812380), (5, 10249904), (7, 7321360), (8, 6406190), (10, 5124952), (14, 3660680), (16, 3203095), (20, 2562476), (23, 2228240), (28, 1830340), (35, 1464272), (40, 1281238), (46, 1114120), (56, 915170), (70, 732136), (80, 640619), (92, 557060), (112, 457585), (115, 445648), (140, 366068), (161, 318320), (173, 296240), (184, 278530), (230, 222824), (280, 183034), (322, 159160), (346, 148120), (368, 139265), (460, 111412), (529, 96880), (560, 91517), (644, 79580), (692, 74060), (805, 63664), (865, 59248), (920, 55706), (1058, 48440), (1211, 42320), (1288, 39790), (1384, 37030), (1610, 31832), (1730, 29624), (1840, 27853), (2116, 24220), (2422, 21160), (2576, 19895), (2645, 19376), (2768, 18515), (3220, 15916), (3460, 14812), (3703, 13840), (3979, 12880), (4232, 12110), (4844, 10580), (5290, 9688), (6055, 8464), (6440, 7958), (6920, 7406)]