25505900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 64162560

約数和(自身を除く): 38656660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 83, 100, 140, 166, 175, 332, 350, 415, 439, 581, 700, 830, 878, 1162, 1660, 1756, 2075, 2195, 2324, 2905, 3073, 4150, 4390, 5810, 6146, 8300, 8780, 10975, 11620, 12292, 14525, 15365, 21950, 29050, 30730, 36437, 43900, 58100, 61460, 72874, 76825, 145748, 153650, 182185, 255059, 307300, 364370, 510118, 728740, 910925, 1020236, 1275295, 1821850, 2550590, 3643700, 5101180, 6376475, 12752950, 25505900]

約数ペア:

[(1, 25505900), (2, 12752950), (4, 6376475), (5, 5101180), (7, 3643700), (10, 2550590), (14, 1821850), (20, 1275295), (25, 1020236), (28, 910925), (35, 728740), (50, 510118), (70, 364370), (83, 307300), (100, 255059), (140, 182185), (166, 153650), (175, 145748), (332, 76825), (350, 72874), (415, 61460), (439, 58100), (581, 43900), (700, 36437), (830, 30730), (878, 29050), (1162, 21950), (1660, 15365), (1756, 14525), (2075, 12292), (2195, 11620), (2324, 10975), (2905, 8780), (3073, 8300), (4150, 6146), (4390, 5810)]