64040545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 84458880

約数和(自身を除く): 20418335

約数列:

[1, 5, 19, 43, 61, 95, 215, 257, 305, 817, 1159, 1285, 2623, 4085, 4883, 5795, 11051, 13115, 15677, 24415, 49837, 55255, 78385, 209969, 249185, 297863, 674111, 1049845, 1489315, 3370555, 12808109, 64040545]

約数ペア:

[(1, 64040545), (5, 12808109), (19, 3370555), (43, 1489315), (61, 1049845), (95, 674111), (215, 297863), (257, 249185), (305, 209969), (817, 78385), (1159, 55255), (1285, 49837), (2623, 24415), (4085, 15677), (4883, 13115), (5795, 11051)]