25489280

素因数分解:

$2^7\times 5^1\times {\mathrm{39827}}^1$

素因数の和:39846

約数の個数: 32

約数和(自身を含む): 60936840

約数和(自身を除く): 35447560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39827, 79654, 159308, 199135, 318616, 398270, 637232, 796540, 1274464, 1593080, 2548928, 3186160, 5097856, 6372320, 12744640, 25489280]

約数ペア:

[(1, 25489280), (2, 12744640), (4, 6372320), (5, 5097856), (8, 3186160), (10, 2548928), (16, 1593080), (20, 1274464), (32, 796540), (40, 637232), (64, 398270), (80, 318616), (128, 199135), (160, 159308), (320, 79654), (640, 39827)]