28298840

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1597}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 63856080

約数和(自身を除く): 35557240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1597, 1772, 2215, 3194, 3544, 4430, 6388, 7985, 8860, 12776, 15970, 17720, 31940, 63880, 707471, 1414942, 2829884, 3537355, 5659768, 7074710, 14149420, 28298840]

約数ペア:

[(1, 28298840), (2, 14149420), (4, 7074710), (5, 5659768), (8, 3537355), (10, 2829884), (20, 1414942), (40, 707471), (443, 63880), (886, 31940), (1597, 17720), (1772, 15970), (2215, 12776), (3194, 8860), (3544, 7985), (4430, 6388)]