251282020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1142191}}^1$

素因数の和:1142211

約数の個数: 24

約数和(自身を含む): 575664768

約数和(自身を除く): 324382748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1142191, 2284382, 4568764, 5710955, 11421910, 12564101, 22843820, 25128202, 50256404, 62820505, 125641010, 251282020]

約数ペア:

[(1, 251282020), (2, 125641010), (4, 62820505), (5, 50256404), (10, 25128202), (11, 22843820), (20, 12564101), (22, 11421910), (44, 5710955), (55, 4568764), (110, 2284382), (220, 1142191)]