12527240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 31259520

約数和(自身を除く): 18732280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 401, 440, 568, 710, 781, 802, 1420, 1562, 1604, 2005, 2840, 3124, 3208, 3905, 4010, 4411, 6248, 7810, 8020, 8822, 15620, 16040, 17644, 22055, 28471, 31240, 35288, 44110, 56942, 88220, 113884, 142355, 176440, 227768, 284710, 313181, 569420, 626362, 1138840, 1252724, 1565905, 2505448, 3131810, 6263620, 12527240]

約数ペア:

[(1, 12527240), (2, 6263620), (4, 3131810), (5, 2505448), (8, 1565905), (10, 1252724), (11, 1138840), (20, 626362), (22, 569420), (40, 313181), (44, 284710), (55, 227768), (71, 176440), (88, 142355), (110, 113884), (142, 88220), (220, 56942), (284, 44110), (355, 35288), (401, 31240), (440, 28471), (568, 22055), (710, 17644), (781, 16040), (802, 15620), (1420, 8822), (1562, 8020), (1604, 7810), (2005, 6248), (2840, 4411), (3124, 4010), (3208, 3905)]