25831040

素因数分解:

$2^7\times 5^1\times {\mathrm{40361}}^1$

素因数の和:40380

約数の個数: 32

約数和(自身を含む): 61753860

約数和(自身を除く): 35922820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40361, 80722, 161444, 201805, 322888, 403610, 645776, 807220, 1291552, 1614440, 2583104, 3228880, 5166208, 6457760, 12915520, 25831040]

約数ペア:

[(1, 25831040), (2, 12915520), (4, 6457760), (5, 5166208), (8, 3228880), (10, 2583104), (16, 1614440), (20, 1291552), (32, 807220), (40, 645776), (64, 403610), (80, 322888), (128, 201805), (160, 161444), (320, 80722), (640, 40361)]