126782080

素因数分解:

$2^7\times 5^1\times {\mathrm{198097}}^1$

素因数の和:198116

約数の個数: 32

約数和(自身を含む): 303089940

約数和(自身を除く): 176307860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 198097, 396194, 792388, 990485, 1584776, 1980970, 3169552, 3961940, 6339104, 7923880, 12678208, 15847760, 25356416, 31695520, 63391040, 126782080]

約数ペア:

[(1, 126782080), (2, 63391040), (4, 31695520), (5, 25356416), (8, 15847760), (10, 12678208), (16, 7923880), (20, 6339104), (32, 3961940), (40, 3169552), (64, 1980970), (80, 1584776), (128, 990485), (160, 792388), (320, 396194), (640, 198097)]