25203310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 28710290

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 389, 418, 589, 682, 778, 1045, 1178, 1705, 1945, 2090, 2945, 3410, 3890, 4279, 5890, 6479, 7391, 8558, 12059, 12958, 14782, 21395, 24118, 32395, 36955, 42790, 60295, 64790, 73910, 81301, 120590, 132649, 162602, 229121, 265298, 406505, 458242, 663245, 813010, 1145605, 1326490, 2291210, 2520331, 5040662, 12601655, 25203310]

約数ペア:

[(1, 25203310), (2, 12601655), (5, 5040662), (10, 2520331), (11, 2291210), (19, 1326490), (22, 1145605), (31, 813010), (38, 663245), (55, 458242), (62, 406505), (95, 265298), (110, 229121), (155, 162602), (190, 132649), (209, 120590), (310, 81301), (341, 73910), (389, 64790), (418, 60295), (589, 42790), (682, 36955), (778, 32395), (1045, 24118), (1178, 21395), (1705, 14782), (1945, 12958), (2090, 12059), (2945, 8558), (3410, 7391), (3890, 6479), (4279, 5890)]