2581580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4489

約数の個数: 24

約数和(自身を含む): 5609520

約数和(自身を除く): 3027940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 4451, 8902, 17804, 22255, 44510, 89020, 129079, 258158, 516316, 645395, 1290790, 2581580]

約数ペア:

[(1, 2581580), (2, 1290790), (4, 645395), (5, 516316), (10, 258158), (20, 129079), (29, 89020), (58, 44510), (116, 22255), (145, 17804), (290, 8902), (580, 4451)]