388637560

素因数分解:

$2^3\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{4651}}^1$

素因数の和:6751

約数の個数: 32

約数和(自身を含む): 875041200

約数和(自身を除く): 486403640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2089, 4178, 4651, 8356, 9302, 10445, 16712, 18604, 20890, 23255, 37208, 41780, 46510, 83560, 93020, 186040, 9715939, 19431878, 38863756, 48579695, 77727512, 97159390, 194318780, 388637560]

約数ペア:

[(1, 388637560), (2, 194318780), (4, 97159390), (5, 77727512), (8, 48579695), (10, 38863756), (20, 19431878), (40, 9715939), (2089, 186040), (4178, 93020), (4651, 83560), (8356, 46510), (9302, 41780), (10445, 37208), (16712, 23255), (18604, 20890)]