2647100

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 5822544

約数和(自身を除く): 3175444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 257, 412, 514, 515, 1028, 1030, 1285, 2060, 2570, 2575, 5140, 5150, 6425, 10300, 12850, 25700, 26471, 52942, 105884, 132355, 264710, 529420, 661775, 1323550, 2647100]

約数ペア:

[(1, 2647100), (2, 1323550), (4, 661775), (5, 529420), (10, 264710), (20, 132355), (25, 105884), (50, 52942), (100, 26471), (103, 25700), (206, 12850), (257, 10300), (412, 6425), (514, 5150), (515, 5140), (1028, 2575), (1030, 2570), (1285, 2060)]