28247000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 67616640

約数和(自身を除く): 39369640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 601, 940, 1000, 1175, 1202, 1880, 2350, 2404, 3005, 4700, 4808, 5875, 6010, 9400, 11750, 12020, 15025, 23500, 24040, 28247, 30050, 47000, 56494, 60100, 75125, 112988, 120200, 141235, 150250, 225976, 282470, 300500, 564940, 601000, 706175, 1129880, 1412350, 2824700, 3530875, 5649400, 7061750, 14123500, 28247000]

約数ペア:

[(1, 28247000), (2, 14123500), (4, 7061750), (5, 5649400), (8, 3530875), (10, 2824700), (20, 1412350), (25, 1129880), (40, 706175), (47, 601000), (50, 564940), (94, 300500), (100, 282470), (125, 225976), (188, 150250), (200, 141235), (235, 120200), (250, 112988), (376, 75125), (470, 60100), (500, 56494), (601, 47000), (940, 30050), (1000, 28247), (1175, 24040), (1202, 23500), (1880, 15025), (2350, 12020), (2404, 11750), (3005, 9400), (4700, 6010), (4808, 5875)]