28467200

素因数分解:

$2^{13}\times 5^2\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 84

約数和(自身を含む): 71102220

約数和(自身を除く): 42635020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 139, 160, 200, 256, 278, 320, 400, 512, 556, 640, 695, 800, 1024, 1112, 1280, 1390, 1600, 2048, 2224, 2560, 2780, 3200, 3475, 4096, 4448, 5120, 5560, 6400, 6950, 8192, 8896, 10240, 11120, 12800, 13900, 17792, 20480, 22240, 25600, 27800, 35584, 40960, 44480, 51200, 55600, 71168, 88960, 102400, 111200, 142336, 177920, 204800, 222400, 284672, 355840, 444800, 569344, 711680, 889600, 1138688, 1423360, 1779200, 2846720, 3558400, 5693440, 7116800, 14233600, 28467200]

約数ペア:

[(1, 28467200), (2, 14233600), (4, 7116800), (5, 5693440), (8, 3558400), (10, 2846720), (16, 1779200), (20, 1423360), (25, 1138688), (32, 889600), (40, 711680), (50, 569344), (64, 444800), (80, 355840), (100, 284672), (128, 222400), (139, 204800), (160, 177920), (200, 142336), (256, 111200), (278, 102400), (320, 88960), (400, 71168), (512, 55600), (556, 51200), (640, 44480), (695, 40960), (800, 35584), (1024, 27800), (1112, 25600), (1280, 22240), (1390, 20480), (1600, 17792), (2048, 13900), (2224, 12800), (2560, 11120), (2780, 10240), (3200, 8896), (3475, 8192), (4096, 6950), (4448, 6400), (5120, 5560)]