28674520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102409}}^1$

素因数の和:102427

約数の個数: 32

約数和(自身を含む): 73735200

約数和(自身を除く): 45060680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102409, 204818, 409636, 512045, 716863, 819272, 1024090, 1433726, 2048180, 2867452, 3584315, 4096360, 5734904, 7168630, 14337260, 28674520]

約数ペア:

[(1, 28674520), (2, 14337260), (4, 7168630), (5, 5734904), (7, 4096360), (8, 3584315), (10, 2867452), (14, 2048180), (20, 1433726), (28, 1024090), (35, 819272), (40, 716863), (56, 512045), (70, 409636), (140, 204818), (280, 102409)]