28989520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51767}}^1$

素因数の和:51787

約数の個数: 40

約数和(自身を含む): 77030784

約数和(自身を除く): 48041264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51767, 103534, 207068, 258835, 362369, 414136, 517670, 724738, 828272, 1035340, 1449476, 1811845, 2070680, 2898952, 3623690, 4141360, 5797904, 7247380, 14494760, 28989520]

約数ペア:

[(1, 28989520), (2, 14494760), (4, 7247380), (5, 5797904), (7, 4141360), (8, 3623690), (10, 2898952), (14, 2070680), (16, 1811845), (20, 1449476), (28, 1035340), (35, 828272), (40, 724738), (56, 517670), (70, 414136), (80, 362369), (112, 258835), (140, 207068), (280, 103534), (560, 51767)]