6440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:41

約数の個数: 32

約数和(自身を含む): 17280

約数和(自身を除く): 10840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440]

約数ペア:

[(1, 6440), (2, 3220), (4, 1610), (5, 1288), (7, 920), (8, 805), (10, 644), (14, 460), (20, 322), (23, 280), (28, 230), (35, 184), (40, 161), (46, 140), (56, 115), (70, 92)]