20174006800

素因数分解:

$2^4\times 5^2\times {\mathrm{317}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:1133

約数の個数: 120

約数和(自身を含む): 48865120200

約数和(自身を除く): 28691113400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 317, 389, 400, 409, 634, 778, 818, 1268, 1556, 1585, 1636, 1945, 2045, 2536, 3112, 3170, 3272, 3890, 4090, 5072, 6224, 6340, 6544, 7780, 7925, 8180, 9725, 10225, 12680, 15560, 15850, 16360, 19450, 20450, 25360, 31120, 31700, 32720, 38900, 40900, 63400, 77800, 81800, 123313, 126800, 129653, 155600, 159101, 163600, 246626, 259306, 318202, 493252, 518612, 616565, 636404, 648265, 795505, 986504, 1037224, 1233130, 1272808, 1296530, 1591010, 1973008, 2074448, 2466260, 2545616, 2593060, 3082825, 3182020, 3241325, 3977525, 4932520, 5186120, 6165650, 6364040, 6482650, 7955050, 9865040, 10372240, 12331300, 12728080, 12965300, 15910100, 24662600, 25930600, 31820200, 49325200, 50435017, 51861200, 63640400, 100870034, 201740068, 252175085, 403480136, 504350170, 806960272, 1008700340, 1260875425, 2017400680, 2521750850, 4034801360, 5043501700, 10087003400, 20174006800]

約数ペア:

[(1, 20174006800), (2, 10087003400), (4, 5043501700), (5, 4034801360), (8, 2521750850), (10, 2017400680), (16, 1260875425), (20, 1008700340), (25, 806960272), (40, 504350170), (50, 403480136), (80, 252175085), (100, 201740068), (200, 100870034), (317, 63640400), (389, 51861200), (400, 50435017), (409, 49325200), (634, 31820200), (778, 25930600), (818, 24662600), (1268, 15910100), (1556, 12965300), (1585, 12728080), (1636, 12331300), (1945, 10372240), (2045, 9865040), (2536, 7955050), (3112, 6482650), (3170, 6364040), (3272, 6165650), (3890, 5186120), (4090, 4932520), (5072, 3977525), (6224, 3241325), (6340, 3182020), (6544, 3082825), (7780, 2593060), (7925, 2545616), (8180, 2466260), (9725, 2074448), (10225, 1973008), (12680, 1591010), (15560, 1296530), (15850, 1272808), (16360, 1233130), (19450, 1037224), (20450, 986504), (25360, 795505), (31120, 648265), (31700, 636404), (32720, 616565), (38900, 518612), (40900, 493252), (63400, 318202), (77800, 259306), (81800, 246626), (123313, 163600), (126800, 159101), (129653, 155600)]