40742440

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1123}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 91853280

約数和(自身を除く): 51110840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1123, 1814, 2246, 3628, 4492, 4535, 5615, 7256, 8984, 9070, 11230, 18140, 22460, 36280, 44920, 1018561, 2037122, 4074244, 5092805, 8148488, 10185610, 20371220, 40742440]

約数ペア:

[(1, 40742440), (2, 20371220), (4, 10185610), (5, 8148488), (8, 5092805), (10, 4074244), (20, 2037122), (40, 1018561), (907, 44920), (1123, 36280), (1814, 22460), (2246, 18140), (3628, 11230), (4492, 9070), (4535, 8984), (5615, 7256)]