2505940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1171}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 5316192

約数和(自身を除く): 2810252

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 1171, 2140, 2342, 4684, 5855, 11710, 23420, 125297, 250594, 501188, 626485, 1252970, 2505940]

約数ペア:

[(1, 2505940), (2, 1252970), (4, 626485), (5, 501188), (10, 250594), (20, 125297), (107, 23420), (214, 11710), (428, 5855), (535, 4684), (1070, 2342), (1171, 2140)]