4388000

素因数分解:

$2^5\times 5^3\times {\mathrm{1097}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 10791144

約数和(自身を除く): 6403144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1097, 2000, 2194, 4000, 4388, 5485, 8776, 10970, 17552, 21940, 27425, 35104, 43880, 54850, 87760, 109700, 137125, 175520, 219400, 274250, 438800, 548500, 877600, 1097000, 2194000, 4388000]

約数ペア:

[(1, 4388000), (2, 2194000), (4, 1097000), (5, 877600), (8, 548500), (10, 438800), (16, 274250), (20, 219400), (25, 175520), (32, 137125), (40, 109700), (50, 87760), (80, 54850), (100, 43880), (125, 35104), (160, 27425), (200, 21940), (250, 17552), (400, 10970), (500, 8776), (800, 5485), (1000, 4388), (1097, 4000), (2000, 2194)]