28244800

素因数分解:

$2^6\times 5^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 84

約数和(自身を含む): 70551040

約数和(自身を除く): 42306240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 139, 160, 200, 254, 278, 320, 400, 508, 556, 635, 695, 800, 1016, 1112, 1270, 1390, 1600, 2032, 2224, 2540, 2780, 3175, 3475, 4064, 4448, 5080, 5560, 6350, 6950, 8128, 8896, 10160, 11120, 12700, 13900, 17653, 20320, 22240, 25400, 27800, 35306, 40640, 44480, 50800, 55600, 70612, 88265, 101600, 111200, 141224, 176530, 203200, 222400, 282448, 353060, 441325, 564896, 706120, 882650, 1129792, 1412240, 1765300, 2824480, 3530600, 5648960, 7061200, 14122400, 28244800]

約数ペア:

[(1, 28244800), (2, 14122400), (4, 7061200), (5, 5648960), (8, 3530600), (10, 2824480), (16, 1765300), (20, 1412240), (25, 1129792), (32, 882650), (40, 706120), (50, 564896), (64, 441325), (80, 353060), (100, 282448), (127, 222400), (139, 203200), (160, 176530), (200, 141224), (254, 111200), (278, 101600), (320, 88265), (400, 70612), (508, 55600), (556, 50800), (635, 44480), (695, 40640), (800, 35306), (1016, 27800), (1112, 25400), (1270, 22240), (1390, 20320), (1600, 17653), (2032, 13900), (2224, 12700), (2540, 11120), (2780, 10160), (3175, 8896), (3475, 8128), (4064, 6950), (4448, 6350), (5080, 5560)]