990076160

素因数分解:

$2^8\times 5^1\times {\mathrm{773497}}^1$

素因数の和:773518

約数の個数: 36

約数和(自身を含む): 2371544868

約数和(自身を除く): 1381468708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 773497, 1546994, 3093988, 3867485, 6187976, 7734970, 12375952, 15469940, 24751904, 30939880, 49503808, 61879760, 99007616, 123759520, 198015232, 247519040, 495038080, 990076160]

約数ペア:

[(1, 990076160), (2, 495038080), (4, 247519040), (5, 198015232), (8, 123759520), (10, 99007616), (16, 61879760), (20, 49503808), (32, 30939880), (40, 24751904), (64, 15469940), (80, 12375952), (128, 7734970), (160, 6187976), (256, 3867485), (320, 3093988), (640, 1546994), (1280, 773497)]