51137720

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4861}}^1$

素因数の和:5135

約数の個数: 32

約数和(自身を含む): 115521120

約数和(自身を除く): 64383400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 4861, 5260, 9722, 10520, 19444, 24305, 38888, 48610, 97220, 194440, 1278443, 2556886, 5113772, 6392215, 10227544, 12784430, 25568860, 51137720]

約数ペア:

[(1, 51137720), (2, 25568860), (4, 12784430), (5, 10227544), (8, 6392215), (10, 5113772), (20, 2556886), (40, 1278443), (263, 194440), (526, 97220), (1052, 48610), (1315, 38888), (2104, 24305), (2630, 19444), (4861, 10520), (5260, 9722)]