26381780

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2131}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 55517280

約数和(自身を除く): 29135500

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2131, 2476, 3095, 4262, 6190, 8524, 10655, 12380, 21310, 42620, 1319089, 2638178, 5276356, 6595445, 13190890, 26381780]

約数ペア:

[(1, 26381780), (2, 13190890), (4, 6595445), (5, 5276356), (10, 2638178), (20, 1319089), (619, 42620), (1238, 21310), (2131, 12380), (2476, 10655), (3095, 8524), (4262, 6190)]