28175840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2320

約数の個数: 96

約数和(自身を含む): 83026944

約数和(自身を除く): 54851104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2287, 2464, 3080, 4574, 6160, 9148, 11435, 12320, 16009, 18296, 22870, 25157, 32018, 36592, 45740, 50314, 64036, 73184, 80045, 91480, 100628, 125785, 128072, 160090, 176099, 182960, 201256, 251570, 256144, 320180, 352198, 365920, 402512, 503140, 512288, 640360, 704396, 805024, 880495, 1006280, 1280720, 1408792, 1760990, 2012560, 2561440, 2817584, 3521980, 4025120, 5635168, 7043960, 14087920, 28175840]

約数ペア:

[(1, 28175840), (2, 14087920), (4, 7043960), (5, 5635168), (7, 4025120), (8, 3521980), (10, 2817584), (11, 2561440), (14, 2012560), (16, 1760990), (20, 1408792), (22, 1280720), (28, 1006280), (32, 880495), (35, 805024), (40, 704396), (44, 640360), (55, 512288), (56, 503140), (70, 402512), (77, 365920), (80, 352198), (88, 320180), (110, 256144), (112, 251570), (140, 201256), (154, 182960), (160, 176099), (176, 160090), (220, 128072), (224, 125785), (280, 100628), (308, 91480), (352, 80045), (385, 73184), (440, 64036), (560, 50314), (616, 45740), (770, 36592), (880, 32018), (1120, 25157), (1232, 22870), (1540, 18296), (1760, 16009), (2287, 12320), (2464, 11435), (3080, 9148), (4574, 6160)]