25969040

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3911}}^1$

素因数の和:4007

約数の個数: 40

約数和(自身を含む): 61121088

約数和(自身を除く): 35152048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 3911, 6640, 7822, 15644, 19555, 31288, 39110, 62576, 78220, 156440, 312880, 324613, 649226, 1298452, 1623065, 2596904, 3246130, 5193808, 6492260, 12984520, 25969040]

約数ペア:

[(1, 25969040), (2, 12984520), (4, 6492260), (5, 5193808), (8, 3246130), (10, 2596904), (16, 1623065), (20, 1298452), (40, 649226), (80, 324613), (83, 312880), (166, 156440), (332, 78220), (415, 62576), (664, 39110), (830, 31288), (1328, 19555), (1660, 15644), (3320, 7822), (3911, 6640)]