16281640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6899}}^1$

素因数の和:6969

約数の個数: 32

約数和(自身を含む): 37260000

約数和(自身を除く): 20978360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 6899, 13798, 27596, 34495, 55192, 68990, 137980, 275960, 407041, 814082, 1628164, 2035205, 3256328, 4070410, 8140820, 16281640]

約数ペア:

[(1, 16281640), (2, 8140820), (4, 4070410), (5, 3256328), (8, 2035205), (10, 1628164), (20, 814082), (40, 407041), (59, 275960), (118, 137980), (236, 68990), (295, 55192), (472, 34495), (590, 27596), (1180, 13798), (2360, 6899)]