12984520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3911}}^1$

素因数の和:4005

約数の個数: 32

約数和(自身を含む): 29574720

約数和(自身を除く): 16590200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 3911, 7822, 15644, 19555, 31288, 39110, 78220, 156440, 324613, 649226, 1298452, 1623065, 2596904, 3246130, 6492260, 12984520]

約数ペア:

[(1, 12984520), (2, 6492260), (4, 3246130), (5, 2596904), (8, 1623065), (10, 1298452), (20, 649226), (40, 324613), (83, 156440), (166, 78220), (332, 39110), (415, 31288), (664, 19555), (830, 15644), (1660, 7822), (3320, 3911)]