204650440

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{16451}}^1$

素因数の和:16773

約数の個数: 32

約数和(自身を含む): 461972160

約数和(自身を除く): 257321720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 16451, 32902, 65804, 82255, 131608, 164510, 329020, 658040, 5116261, 10232522, 20465044, 25581305, 40930088, 51162610, 102325220, 204650440]

約数ペア:

[(1, 204650440), (2, 102325220), (4, 51162610), (5, 40930088), (8, 25581305), (10, 20465044), (20, 10232522), (40, 5116261), (311, 658040), (622, 329020), (1244, 164510), (1555, 131608), (2488, 82255), (3110, 65804), (6220, 32902), (12440, 16451)]