27665780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 61205760

約数和(自身を除く): 33539980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 439, 460, 548, 685, 878, 1370, 1756, 2195, 2740, 3151, 4390, 6302, 8780, 10097, 12604, 15755, 20194, 31510, 40388, 50485, 60143, 63020, 100970, 120286, 201940, 240572, 300715, 601430, 1202860, 1383289, 2766578, 5533156, 6916445, 13832890, 27665780]

約数ペア:

[(1, 27665780), (2, 13832890), (4, 6916445), (5, 5533156), (10, 2766578), (20, 1383289), (23, 1202860), (46, 601430), (92, 300715), (115, 240572), (137, 201940), (230, 120286), (274, 100970), (439, 63020), (460, 60143), (548, 50485), (685, 40388), (878, 31510), (1370, 20194), (1756, 15755), (2195, 12604), (2740, 10097), (3151, 8780), (4390, 6302)]