25290265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 42319872

約数和(自身を除く): 17029607

約数列:

[1, 5, 7, 11, 13, 31, 35, 55, 65, 77, 91, 143, 155, 163, 217, 341, 385, 403, 455, 715, 815, 1001, 1085, 1141, 1705, 1793, 2015, 2119, 2387, 2821, 4433, 5005, 5053, 5705, 8965, 10595, 11935, 12551, 14105, 14833, 22165, 23309, 25265, 31031, 35371, 55583, 62755, 65689, 74165, 116545, 155155, 163163, 176855, 277915, 328445, 389081, 459823, 722579, 815815, 1945405, 2299115, 3612895, 5058053, 25290265]

約数ペア:

[(1, 25290265), (5, 5058053), (7, 3612895), (11, 2299115), (13, 1945405), (31, 815815), (35, 722579), (55, 459823), (65, 389081), (77, 328445), (91, 277915), (143, 176855), (155, 163163), (163, 155155), (217, 116545), (341, 74165), (385, 65689), (403, 62755), (455, 55583), (715, 35371), (815, 31031), (1001, 25265), (1085, 23309), (1141, 22165), (1705, 14833), (1793, 14105), (2015, 12551), (2119, 11935), (2387, 10595), (2821, 8965), (4433, 5705), (5005, 5053)]