51008080

素因数分解:

$2^4\times 5^1\times {\mathrm{637601}}^1$

素因数の和:637614

約数の個数: 20

約数和(自身を含む): 118593972

約数和(自身を除く): 67585892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637601, 1275202, 2550404, 3188005, 5100808, 6376010, 10201616, 12752020, 25504040, 51008080]

約数ペア:

[(1, 51008080), (2, 25504040), (4, 12752020), (5, 10201616), (8, 6376010), (10, 5100808), (16, 3188005), (20, 2550404), (40, 1275202), (80, 637601)]