51490880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 112

約数和(自身を含む): 142012416

約数和(自身を除く): 90521536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 140, 160, 181, 224, 254, 280, 320, 362, 448, 508, 560, 635, 724, 889, 905, 1016, 1120, 1267, 1270, 1448, 1778, 1810, 2032, 2240, 2534, 2540, 2896, 3556, 3620, 4064, 4445, 5068, 5080, 5792, 6335, 7112, 7240, 8128, 8890, 10136, 10160, 11584, 12670, 14224, 14480, 17780, 20272, 20320, 22987, 25340, 28448, 28960, 35560, 40544, 40640, 45974, 50680, 56896, 57920, 71120, 81088, 91948, 101360, 114935, 142240, 160909, 183896, 202720, 229870, 284480, 321818, 367792, 405440, 459740, 643636, 735584, 804545, 919480, 1287272, 1471168, 1609090, 1838960, 2574544, 3218180, 3677920, 5149088, 6436360, 7355840, 10298176, 12872720, 25745440, 51490880]

約数ペア:

[(1, 51490880), (2, 25745440), (4, 12872720), (5, 10298176), (7, 7355840), (8, 6436360), (10, 5149088), (14, 3677920), (16, 3218180), (20, 2574544), (28, 1838960), (32, 1609090), (35, 1471168), (40, 1287272), (56, 919480), (64, 804545), (70, 735584), (80, 643636), (112, 459740), (127, 405440), (140, 367792), (160, 321818), (181, 284480), (224, 229870), (254, 202720), (280, 183896), (320, 160909), (362, 142240), (448, 114935), (508, 101360), (560, 91948), (635, 81088), (724, 71120), (889, 57920), (905, 56896), (1016, 50680), (1120, 45974), (1267, 40640), (1270, 40544), (1448, 35560), (1778, 28960), (1810, 28448), (2032, 25340), (2240, 22987), (2534, 20320), (2540, 20272), (2896, 17780), (3556, 14480), (3620, 14224), (4064, 12670), (4445, 11584), (5068, 10160), (5080, 10136), (5792, 8890), (6335, 8128), (7112, 7240)]