1320245440

素因数分解:

$2^6\times 5^1\times {\mathrm{4125767}}^1$

素因数の和:4125784

約数の個数: 28

約数和(自身を含む): 3143835216

約数和(自身を除く): 1823589776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4125767, 8251534, 16503068, 20628835, 33006136, 41257670, 66012272, 82515340, 132024544, 165030680, 264049088, 330061360, 660122720, 1320245440]

約数ペア:

[(1, 1320245440), (2, 660122720), (4, 330061360), (5, 264049088), (8, 165030680), (10, 132024544), (16, 82515340), (20, 66012272), (32, 41257670), (40, 33006136), (64, 20628835), (80, 16503068), (160, 8251534), (320, 4125767)]