25128740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13807}}^1$

素因数の和:13836

約数の個数: 48

約数和(自身を含む): 64952832

約数和(自身を除く): 39824092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 13807, 27614, 55228, 69035, 96649, 138070, 179491, 193298, 276140, 358982, 386596, 483245, 717964, 897455, 966490, 1256437, 1794910, 1932980, 2512874, 3589820, 5025748, 6282185, 12564370, 25128740]

約数ペア:

[(1, 25128740), (2, 12564370), (4, 6282185), (5, 5025748), (7, 3589820), (10, 2512874), (13, 1932980), (14, 1794910), (20, 1256437), (26, 966490), (28, 897455), (35, 717964), (52, 483245), (65, 386596), (70, 358982), (91, 276140), (130, 193298), (140, 179491), (182, 138070), (260, 96649), (364, 69035), (455, 55228), (910, 27614), (1820, 13807)]