4878980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 10364760

約数和(自身を除く): 5485780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2741, 5482, 10964, 13705, 27410, 54820, 243949, 487898, 975796, 1219745, 2439490, 4878980]

約数ペア:

[(1, 4878980), (2, 2439490), (4, 1219745), (5, 975796), (10, 487898), (20, 243949), (89, 54820), (178, 27410), (356, 13705), (445, 10964), (890, 5482), (1780, 2741)]