84072080

素因数分解:

$2^4\times 5^1\times {\mathrm{1050901}}^1$

素因数の和:1050914

約数の個数: 20

約数和(自身を含む): 195467772

約数和(自身を除く): 111395692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1050901, 2101802, 4203604, 5254505, 8407208, 10509010, 16814416, 21018020, 42036040, 84072080]

約数ペア:

[(1, 84072080), (2, 42036040), (4, 21018020), (5, 16814416), (8, 10509010), (10, 8407208), (16, 5254505), (20, 4203604), (40, 2101802), (80, 1050901)]