55664360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32363}}^1$

素因数の和:32417

約数の個数: 32

約数和(自身を含む): 128161440

約数和(自身を除く): 72497080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32363, 64726, 129452, 161815, 258904, 323630, 647260, 1294520, 1391609, 2783218, 5566436, 6958045, 11132872, 13916090, 27832180, 55664360]

約数ペア:

[(1, 55664360), (2, 27832180), (4, 13916090), (5, 11132872), (8, 6958045), (10, 5566436), (20, 2783218), (40, 1391609), (43, 1294520), (86, 647260), (172, 323630), (215, 258904), (344, 161815), (430, 129452), (860, 64726), (1720, 32363)]