86686280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 201960000

約数和(自身を除く): 115273720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 101, 172, 202, 215, 344, 404, 430, 499, 505, 808, 860, 998, 1010, 1720, 1996, 2020, 2495, 3992, 4040, 4343, 4990, 8686, 9980, 17372, 19960, 21457, 21715, 34744, 42914, 43430, 50399, 85828, 86860, 100798, 107285, 171656, 173720, 201596, 214570, 251995, 403192, 429140, 503990, 858280, 1007980, 2015960, 2167157, 4334314, 8668628, 10835785, 17337256, 21671570, 43343140, 86686280]

約数ペア:

[(1, 86686280), (2, 43343140), (4, 21671570), (5, 17337256), (8, 10835785), (10, 8668628), (20, 4334314), (40, 2167157), (43, 2015960), (86, 1007980), (101, 858280), (172, 503990), (202, 429140), (215, 403192), (344, 251995), (404, 214570), (430, 201596), (499, 173720), (505, 171656), (808, 107285), (860, 100798), (998, 86860), (1010, 85828), (1720, 50399), (1996, 43430), (2020, 42914), (2495, 34744), (3992, 21715), (4040, 21457), (4343, 19960), (4990, 17372), (8686, 9980)]