55489600

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 84

約数和(自身を含む): 138582400

約数和(自身を除く): 83092800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 439, 632, 790, 800, 878, 1264, 1580, 1600, 1756, 1975, 2195, 2528, 3160, 3512, 3950, 4390, 5056, 6320, 7024, 7900, 8780, 10975, 12640, 14048, 15800, 17560, 21950, 25280, 28096, 31600, 34681, 35120, 43900, 63200, 69362, 70240, 87800, 126400, 138724, 140480, 173405, 175600, 277448, 346810, 351200, 554896, 693620, 702400, 867025, 1109792, 1387240, 1734050, 2219584, 2774480, 3468100, 5548960, 6936200, 11097920, 13872400, 27744800, 55489600]

約数ペア:

[(1, 55489600), (2, 27744800), (4, 13872400), (5, 11097920), (8, 6936200), (10, 5548960), (16, 3468100), (20, 2774480), (25, 2219584), (32, 1734050), (40, 1387240), (50, 1109792), (64, 867025), (79, 702400), (80, 693620), (100, 554896), (158, 351200), (160, 346810), (200, 277448), (316, 175600), (320, 173405), (395, 140480), (400, 138724), (439, 126400), (632, 87800), (790, 70240), (800, 69362), (878, 63200), (1264, 43900), (1580, 35120), (1600, 34681), (1756, 31600), (1975, 28096), (2195, 25280), (2528, 21950), (3160, 17560), (3512, 15800), (3950, 14048), (4390, 12640), (5056, 10975), (6320, 8780), (7024, 7900)]