26563000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 63011520

約数和(自身を除く): 36448520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 263, 404, 500, 505, 526, 808, 1000, 1010, 1052, 1315, 2020, 2104, 2525, 2630, 4040, 5050, 5260, 6575, 10100, 10520, 12625, 13150, 20200, 25250, 26300, 26563, 32875, 50500, 52600, 53126, 65750, 101000, 106252, 131500, 132815, 212504, 263000, 265630, 531260, 664075, 1062520, 1328150, 2656300, 3320375, 5312600, 6640750, 13281500, 26563000]

約数ペア:

[(1, 26563000), (2, 13281500), (4, 6640750), (5, 5312600), (8, 3320375), (10, 2656300), (20, 1328150), (25, 1062520), (40, 664075), (50, 531260), (100, 265630), (101, 263000), (125, 212504), (200, 132815), (202, 131500), (250, 106252), (263, 101000), (404, 65750), (500, 53126), (505, 52600), (526, 50500), (808, 32875), (1000, 26563), (1010, 26300), (1052, 25250), (1315, 20200), (2020, 13150), (2104, 12625), (2525, 10520), (2630, 10100), (4040, 6575), (5050, 5260)]