28310860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19391}}^1$

素因数の和:19473

約数の個数: 24

約数和(自身を含む): 60270336

約数和(自身を除く): 31959476

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19391, 38782, 77564, 96955, 193910, 387820, 1415543, 2831086, 5662172, 7077715, 14155430, 28310860]

約数ペア:

[(1, 28310860), (2, 14155430), (4, 7077715), (5, 5662172), (10, 2831086), (20, 1415543), (73, 387820), (146, 193910), (292, 96955), (365, 77564), (730, 38782), (1460, 19391)]