54681905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 71971200

約数和(自身を除く): 17289295

約数列:

[1, 5, 19, 41, 95, 101, 139, 205, 505, 695, 779, 1919, 2641, 3895, 4141, 5699, 9595, 13205, 14039, 20705, 28495, 70195, 78679, 108281, 266741, 393395, 541405, 575599, 1333705, 2877995, 10936381, 54681905]

約数ペア:

[(1, 54681905), (5, 10936381), (19, 2877995), (41, 1333705), (95, 575599), (101, 541405), (139, 393395), (205, 266741), (505, 108281), (695, 78679), (779, 70195), (1919, 28495), (2641, 20705), (3895, 14039), (4141, 13205), (5699, 9595)]