2045840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 4821120

約数和(自身を除く): 2775280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 239, 428, 478, 535, 856, 956, 1070, 1195, 1712, 1912, 2140, 2390, 3824, 4280, 4780, 8560, 9560, 19120, 25573, 51146, 102292, 127865, 204584, 255730, 409168, 511460, 1022920, 2045840]

約数ペア:

[(1, 2045840), (2, 1022920), (4, 511460), (5, 409168), (8, 255730), (10, 204584), (16, 127865), (20, 102292), (40, 51146), (80, 25573), (107, 19120), (214, 9560), (239, 8560), (428, 4780), (478, 4280), (535, 3824), (856, 2390), (956, 2140), (1070, 1912), (1195, 1712)]