25222880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8297}}^1$

素因数の和:8331

約数の個数: 48

約数和(自身を含む): 62732880

約数和(自身を除く): 37510000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 8297, 16594, 33188, 41485, 66376, 82970, 132752, 157643, 165940, 265504, 315286, 331880, 630572, 663760, 788215, 1261144, 1327520, 1576430, 2522288, 3152860, 5044576, 6305720, 12611440, 25222880]

約数ペア:

[(1, 25222880), (2, 12611440), (4, 6305720), (5, 5044576), (8, 3152860), (10, 2522288), (16, 1576430), (19, 1327520), (20, 1261144), (32, 788215), (38, 663760), (40, 630572), (76, 331880), (80, 315286), (95, 265504), (152, 165940), (160, 157643), (190, 132752), (304, 82970), (380, 66376), (608, 41485), (760, 33188), (1520, 16594), (3040, 8297)]