12720416

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{12823}}^1$

素因数の和:12864

約数の個数: 24

約数和(自身を含む): 25853184

約数和(自身を除く): 13132768

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 12823, 25646, 51292, 102584, 205168, 397513, 410336, 795026, 1590052, 3180104, 6360208, 12720416]

約数ペア:

[(1, 12720416), (2, 6360208), (4, 3180104), (8, 1590052), (16, 795026), (31, 410336), (32, 397513), (62, 205168), (124, 102584), (248, 51292), (496, 25646), (992, 12823)]