25471270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 54167616

約数和(自身を除く): 28696346

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 53, 55, 85, 106, 110, 170, 187, 257, 265, 374, 514, 530, 583, 901, 935, 1166, 1285, 1802, 1870, 2570, 2827, 2915, 4369, 4505, 5654, 5830, 8738, 9010, 9911, 13621, 14135, 19822, 21845, 27242, 28270, 43690, 48059, 49555, 68105, 96118, 99110, 136210, 149831, 231557, 240295, 299662, 463114, 480590, 749155, 1157785, 1498310, 2315570, 2547127, 5094254, 12735635, 25471270]

約数ペア:

[(1, 25471270), (2, 12735635), (5, 5094254), (10, 2547127), (11, 2315570), (17, 1498310), (22, 1157785), (34, 749155), (53, 480590), (55, 463114), (85, 299662), (106, 240295), (110, 231557), (170, 149831), (187, 136210), (257, 99110), (265, 96118), (374, 68105), (514, 49555), (530, 48059), (583, 43690), (901, 28270), (935, 27242), (1166, 21845), (1285, 19822), (1802, 14135), (1870, 13621), (2570, 9911), (2827, 9010), (2915, 8738), (4369, 5830), (4505, 5654)]