2005123040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{907}}^1$

素因数の和:1300

約数の個数: 96

約数和(自身を含む): 4872407904

約数和(自身を除く): 2867284864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 337, 410, 656, 674, 820, 907, 1312, 1348, 1640, 1685, 1814, 2696, 3280, 3370, 3628, 4535, 5392, 6560, 6740, 7256, 9070, 10784, 13480, 13817, 14512, 18140, 26960, 27634, 29024, 36280, 37187, 53920, 55268, 69085, 72560, 74374, 110536, 138170, 145120, 148748, 185935, 221072, 276340, 297496, 305659, 371870, 442144, 552680, 594992, 611318, 743740, 1105360, 1189984, 1222636, 1487480, 1528295, 2210720, 2445272, 2974960, 3056590, 4890544, 5949920, 6113180, 9781088, 12226360, 12532019, 24452720, 25064038, 48905440, 50128076, 62660095, 100256152, 125320190, 200512304, 250640380, 401024608, 501280760, 1002561520, 2005123040]

約数ペア:

[(1, 2005123040), (2, 1002561520), (4, 501280760), (5, 401024608), (8, 250640380), (10, 200512304), (16, 125320190), (20, 100256152), (32, 62660095), (40, 50128076), (41, 48905440), (80, 25064038), (82, 24452720), (160, 12532019), (164, 12226360), (205, 9781088), (328, 6113180), (337, 5949920), (410, 4890544), (656, 3056590), (674, 2974960), (820, 2445272), (907, 2210720), (1312, 1528295), (1348, 1487480), (1640, 1222636), (1685, 1189984), (1814, 1105360), (2696, 743740), (3280, 611318), (3370, 594992), (3628, 552680), (4535, 442144), (5392, 371870), (6560, 305659), (6740, 297496), (7256, 276340), (9070, 221072), (10784, 185935), (13480, 148748), (13817, 145120), (14512, 138170), (18140, 110536), (26960, 74374), (27634, 72560), (29024, 69085), (36280, 55268), (37187, 53920)]