2080686055

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 3085516800

約数和(自身を除く): 1004830745

約数列:

[1, 5, 7, 29, 31, 35, 89, 145, 155, 203, 217, 445, 623, 743, 899, 1015, 1085, 2581, 2759, 3115, 3715, 4495, 5201, 6293, 12905, 13795, 18067, 19313, 21547, 23033, 26005, 31465, 66127, 80011, 90335, 96565, 107735, 115165, 150829, 161231, 330635, 400055, 462889, 560077, 667957, 754145, 806155, 1917683, 2049937, 2314445, 2800385, 3339785, 4675699, 9588415, 10249685, 13423781, 14349559, 23378495, 59448173, 67118905, 71747795, 297240865, 416137211, 2080686055]

約数ペア:

[(1, 2080686055), (5, 416137211), (7, 297240865), (29, 71747795), (31, 67118905), (35, 59448173), (89, 23378495), (145, 14349559), (155, 13423781), (203, 10249685), (217, 9588415), (445, 4675699), (623, 3339785), (743, 2800385), (899, 2314445), (1015, 2049937), (1085, 1917683), (2581, 806155), (2759, 754145), (3115, 667957), (3715, 560077), (4495, 462889), (5201, 400055), (6293, 330635), (12905, 161231), (13795, 150829), (18067, 115165), (19313, 107735), (21547, 96565), (23033, 90335), (26005, 80011), (31465, 66127)]