12723760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22721}}^1$

素因数の和:22741

約数の個数: 40

約数和(自身を含む): 33810336

約数和(自身を除く): 21086576

約数列:

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

約数ペア:

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