25332440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90473}}^1$

素因数の和:90491

約数の個数: 32

約数和(自身を含む): 65141280

約数和(自身を除く): 39808840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90473, 180946, 361892, 452365, 633311, 723784, 904730, 1266622, 1809460, 2533244, 3166555, 3618920, 5066488, 6333110, 12666220, 25332440]

約数ペア:

[(1, 25332440), (2, 12666220), (4, 6333110), (5, 5066488), (7, 3618920), (8, 3166555), (10, 2533244), (14, 1809460), (20, 1266622), (28, 904730), (35, 723784), (40, 633311), (56, 452365), (70, 361892), (140, 180946), (280, 90473)]