164028220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{47407}}^1$

素因数の和:47589

約数の個数: 24

約数和(自身を含む): 346457664

約数和(自身を除く): 182429444

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 47407, 94814, 189628, 237035, 474070, 948140, 8201411, 16402822, 32805644, 41007055, 82014110, 164028220]

約数ペア:

[(1, 164028220), (2, 82014110), (4, 41007055), (5, 32805644), (10, 16402822), (20, 8201411), (173, 948140), (346, 474070), (692, 237035), (865, 189628), (1730, 94814), (3460, 47407)]