81300745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 106977024

約数和(自身を除く): 25676279

約数列:

[1, 5, 23, 41, 43, 115, 205, 215, 401, 943, 989, 1763, 2005, 4715, 4945, 8815, 9223, 16441, 17243, 40549, 46115, 82205, 86215, 202745, 378143, 396589, 706963, 1890715, 1982945, 3534815, 16260149, 81300745]

約数ペア:

[(1, 81300745), (5, 16260149), (23, 3534815), (41, 1982945), (43, 1890715), (115, 706963), (205, 396589), (215, 378143), (401, 202745), (943, 86215), (989, 82205), (1763, 46115), (2005, 40549), (4715, 17243), (4945, 16441), (8815, 9223)]