56870680

素因数分解:

$2^3\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1289}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 128174400

約数和(自身を除く): 71303720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1103, 1289, 2206, 2578, 4412, 5156, 5515, 6445, 8824, 10312, 11030, 12890, 22060, 25780, 44120, 51560, 1421767, 2843534, 5687068, 7108835, 11374136, 14217670, 28435340, 56870680]

約数ペア:

[(1, 56870680), (2, 28435340), (4, 14217670), (5, 11374136), (8, 7108835), (10, 5687068), (20, 2843534), (40, 1421767), (1103, 51560), (1289, 44120), (2206, 25780), (2578, 22060), (4412, 12890), (5156, 11030), (5515, 10312), (6445, 8824)]