27744800

素因数分解:

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

素因数の和:538

約数の個数: 72

約数和(自身を含む): 68745600

約数和(自身を除く): 41000800

約数列:

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

約数ペア:

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