66334280

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6607}}^1$

素因数の和:6869

約数の個数: 32

約数和(自身を含む): 149869440

約数和(自身を除く): 83535160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6607, 10040, 13214, 26428, 33035, 52856, 66070, 132140, 264280, 1658357, 3316714, 6633428, 8291785, 13266856, 16583570, 33167140, 66334280]

約数ペア:

[(1, 66334280), (2, 33167140), (4, 16583570), (5, 13266856), (8, 8291785), (10, 6633428), (20, 3316714), (40, 1658357), (251, 264280), (502, 132140), (1004, 66070), (1255, 52856), (2008, 33035), (2510, 26428), (5020, 13214), (6607, 10040)]