28786760

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2543}}^1$

素因数の和:2837

約数の個数: 32

約数和(自身を含む): 65024640

約数和(自身を除く): 36237880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2543, 2830, 5086, 5660, 10172, 11320, 12715, 20344, 25430, 50860, 101720, 719669, 1439338, 2878676, 3598345, 5757352, 7196690, 14393380, 28786760]

約数ペア:

[(1, 28786760), (2, 14393380), (4, 7196690), (5, 5757352), (8, 3598345), (10, 2878676), (20, 1439338), (40, 719669), (283, 101720), (566, 50860), (1132, 25430), (1415, 20344), (2264, 12715), (2543, 11320), (2830, 10172), (5086, 5660)]