87200560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25349}}^1$

素因数の和:25405

約数の個数: 40

約数和(自身を含む): 207464400

約数和(自身を除く): 120263840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 25349, 50698, 101396, 126745, 202792, 253490, 405584, 506980, 1013960, 1090007, 2027920, 2180014, 4360028, 5450035, 8720056, 10900070, 17440112, 21800140, 43600280, 87200560]

約数ペア:

[(1, 87200560), (2, 43600280), (4, 21800140), (5, 17440112), (8, 10900070), (10, 8720056), (16, 5450035), (20, 4360028), (40, 2180014), (43, 2027920), (80, 1090007), (86, 1013960), (172, 506980), (215, 405584), (344, 253490), (430, 202792), (688, 126745), (860, 101396), (1720, 50698), (3440, 25349)]