39542920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9239}}^1$

素因数の和:9357

約数の個数: 32

約数和(自身を含む): 89812800

約数和(自身を除く): 50269880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 9239, 18478, 36956, 46195, 73912, 92390, 184780, 369560, 988573, 1977146, 3954292, 4942865, 7908584, 9885730, 19771460, 39542920]

約数ペア:

[(1, 39542920), (2, 19771460), (4, 9885730), (5, 7908584), (8, 4942865), (10, 3954292), (20, 1977146), (40, 988573), (107, 369560), (214, 184780), (428, 92390), (535, 73912), (856, 46195), (1070, 36956), (2140, 18478), (4280, 9239)]