26270660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 60211200

約数和(自身を除く): 33940540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1279, 1580, 2054, 2558, 4108, 5116, 5135, 6395, 10270, 12790, 16627, 20540, 25580, 33254, 66508, 83135, 101041, 166270, 202082, 332540, 404164, 505205, 1010410, 1313533, 2020820, 2627066, 5254132, 6567665, 13135330, 26270660]

約数ペア:

[(1, 26270660), (2, 13135330), (4, 6567665), (5, 5254132), (10, 2627066), (13, 2020820), (20, 1313533), (26, 1010410), (52, 505205), (65, 404164), (79, 332540), (130, 202082), (158, 166270), (260, 101041), (316, 83135), (395, 66508), (790, 33254), (1027, 25580), (1279, 20540), (1580, 16627), (2054, 12790), (2558, 10270), (4108, 6395), (5116, 5135)]