199202560

素因数分解:

$2^8\times 5^1\times {\mathrm{155627}}^1$

素因数の和:155648

約数の個数: 36

約数和(自身を含む): 477155448

約数和(自身を除く): 277952888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 155627, 311254, 622508, 778135, 1245016, 1556270, 2490032, 3112540, 4980064, 6225080, 9960128, 12450160, 19920256, 24900320, 39840512, 49800640, 99601280, 199202560]

約数ペア:

[(1, 199202560), (2, 99601280), (4, 49800640), (5, 39840512), (8, 24900320), (10, 19920256), (16, 12450160), (20, 9960128), (32, 6225080), (40, 4980064), (64, 3112540), (80, 2490032), (128, 1556270), (160, 1245016), (256, 778135), (320, 622508), (640, 311254), (1280, 155627)]