25314160

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2903}}^1$

素因数の和:3025

約数の個数: 40

約数和(自身を含む): 59415840

約数和(自身を除く): 34101680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2903, 4360, 5806, 8720, 11612, 14515, 23224, 29030, 46448, 58060, 116120, 232240, 316427, 632854, 1265708, 1582135, 2531416, 3164270, 5062832, 6328540, 12657080, 25314160]

約数ペア:

[(1, 25314160), (2, 12657080), (4, 6328540), (5, 5062832), (8, 3164270), (10, 2531416), (16, 1582135), (20, 1265708), (40, 632854), (80, 316427), (109, 232240), (218, 116120), (436, 58060), (545, 46448), (872, 29030), (1090, 23224), (1744, 14515), (2180, 11612), (2903, 8720), (4360, 5806)]