25596160

素因数分解:

$2^8\times 5^1\times {\mathrm{19997}}^1$

素因数の和:20018

約数の個数: 36

約数和(自身を含む): 61313868

約数和(自身を除く): 35717708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 19997, 39994, 79988, 99985, 159976, 199970, 319952, 399940, 639904, 799880, 1279808, 1599760, 2559616, 3199520, 5119232, 6399040, 12798080, 25596160]

約数ペア:

[(1, 25596160), (2, 12798080), (4, 6399040), (5, 5119232), (8, 3199520), (10, 2559616), (16, 1599760), (20, 1279808), (32, 799880), (40, 639904), (64, 399940), (80, 319952), (128, 199970), (160, 159976), (256, 99985), (320, 79988), (640, 39994), (1280, 19997)]