3997065220

素因数分解:

$2^2\times 5^1\times {\mathrm{10861}}^1\times {\mathrm{18401}}^1$

素因数の和:29271

約数の個数: 24

約数和(自身を含む): 8395066008

約数和(自身を除く): 4398000788

約数列:

[1, 2, 4, 5, 10, 20, 10861, 18401, 21722, 36802, 43444, 54305, 73604, 92005, 108610, 184010, 217220, 368020, 199853261, 399706522, 799413044, 999266305, 1998532610, 3997065220]

約数ペア:

[(1, 3997065220), (2, 1998532610), (4, 999266305), (5, 799413044), (10, 399706522), (20, 199853261), (10861, 368020), (18401, 217220), (21722, 184010), (36802, 108610), (43444, 92005), (54305, 73604)]