25447520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{22721}}^1$

素因数の和:22743

約数の個数: 48

約数和(自身を含む): 68711328

約数和(自身を除く): 43263808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 22721, 45442, 90884, 113605, 159047, 181768, 227210, 318094, 363536, 454420, 636188, 727072, 795235, 908840, 1272376, 1590470, 1817680, 2544752, 3180940, 3635360, 5089504, 6361880, 12723760, 25447520]

約数ペア:

[(1, 25447520), (2, 12723760), (4, 6361880), (5, 5089504), (7, 3635360), (8, 3180940), (10, 2544752), (14, 1817680), (16, 1590470), (20, 1272376), (28, 908840), (32, 795235), (35, 727072), (40, 636188), (56, 454420), (70, 363536), (80, 318094), (112, 227210), (140, 181768), (160, 159047), (224, 113605), (280, 90884), (560, 45442), (1120, 22721)]