81150460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 175988736

約数和(自身を除く): 94838276

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 430, 508, 635, 743, 860, 1270, 1486, 2540, 2972, 3715, 5461, 7430, 10922, 14860, 21844, 27305, 31949, 54610, 63898, 94361, 109220, 127796, 159745, 188722, 319490, 377444, 471805, 638980, 943610, 1887220, 4057523, 8115046, 16230092, 20287615, 40575230, 81150460]

約数ペア:

[(1, 81150460), (2, 40575230), (4, 20287615), (5, 16230092), (10, 8115046), (20, 4057523), (43, 1887220), (86, 943610), (127, 638980), (172, 471805), (215, 377444), (254, 319490), (430, 188722), (508, 159745), (635, 127796), (743, 109220), (860, 94361), (1270, 63898), (1486, 54610), (2540, 31949), (2972, 27305), (3715, 21844), (5461, 14860), (7430, 10922)]