25964432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2967

約数の個数: 40

約数和(自身を含む): 55454784

約数和(自身を除く): 29490352

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 2903, 4472, 5806, 8944, 11612, 23224, 37739, 46448, 75478, 124829, 150956, 249658, 301912, 499316, 603824, 998632, 1622777, 1997264, 3245554, 6491108, 12982216, 25964432]

約数ペア:

[(1, 25964432), (2, 12982216), (4, 6491108), (8, 3245554), (13, 1997264), (16, 1622777), (26, 998632), (43, 603824), (52, 499316), (86, 301912), (104, 249658), (172, 150956), (208, 124829), (344, 75478), (559, 46448), (688, 37739), (1118, 23224), (2236, 11612), (2903, 8944), (4472, 5806)]