26277920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9661}}^1$

素因数の和:9693

約数の個数: 48

約数和(自身を含む): 65740248

約数和(自身を除く): 39462328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9661, 19322, 38644, 48305, 77288, 96610, 154576, 164237, 193220, 309152, 328474, 386440, 656948, 772880, 821185, 1313896, 1545760, 1642370, 2627792, 3284740, 5255584, 6569480, 13138960, 26277920]

約数ペア:

[(1, 26277920), (2, 13138960), (4, 6569480), (5, 5255584), (8, 3284740), (10, 2627792), (16, 1642370), (17, 1545760), (20, 1313896), (32, 821185), (34, 772880), (40, 656948), (68, 386440), (80, 328474), (85, 309152), (136, 193220), (160, 164237), (170, 154576), (272, 96610), (340, 77288), (544, 48305), (680, 38644), (1360, 19322), (2720, 9661)]