31943840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4643}}^1$

素因数の和:4701

約数の個数: 48

約数和(自身を含む): 77239008

約数和(自身を除く): 45295168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4643, 6880, 9286, 18572, 23215, 37144, 46430, 74288, 92860, 148576, 185720, 199649, 371440, 399298, 742880, 798596, 998245, 1597192, 1996490, 3194384, 3992980, 6388768, 7985960, 15971920, 31943840]

約数ペア:

[(1, 31943840), (2, 15971920), (4, 7985960), (5, 6388768), (8, 3992980), (10, 3194384), (16, 1996490), (20, 1597192), (32, 998245), (40, 798596), (43, 742880), (80, 399298), (86, 371440), (160, 199649), (172, 185720), (215, 148576), (344, 92860), (430, 74288), (688, 46430), (860, 37144), (1376, 23215), (1720, 18572), (3440, 9286), (4643, 6880)]