8565340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 20728512

約数和(自身を除く): 12163172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 317, 386, 634, 772, 965, 1268, 1351, 1585, 1930, 2219, 2702, 3170, 3860, 4438, 5404, 6340, 6755, 8876, 11095, 13510, 22190, 27020, 44380, 61181, 122362, 244724, 305905, 428267, 611810, 856534, 1223620, 1713068, 2141335, 4282670, 8565340]

約数ペア:

[(1, 8565340), (2, 4282670), (4, 2141335), (5, 1713068), (7, 1223620), (10, 856534), (14, 611810), (20, 428267), (28, 305905), (35, 244724), (70, 122362), (140, 61181), (193, 44380), (317, 27020), (386, 22190), (634, 13510), (772, 11095), (965, 8876), (1268, 6755), (1351, 6340), (1585, 5404), (1930, 4438), (2219, 3860), (2702, 3170)]