64152340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1783}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 154651392

約数和(自身を除く): 90499052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1783, 1799, 2570, 3566, 3598, 5140, 7132, 7196, 8915, 8995, 12481, 17830, 17990, 24962, 35660, 35980, 49924, 62405, 124810, 249620, 458231, 916462, 1832924, 2291155, 3207617, 4582310, 6415234, 9164620, 12830468, 16038085, 32076170, 64152340]

約数ペア:

[(1, 64152340), (2, 32076170), (4, 16038085), (5, 12830468), (7, 9164620), (10, 6415234), (14, 4582310), (20, 3207617), (28, 2291155), (35, 1832924), (70, 916462), (140, 458231), (257, 249620), (514, 124810), (1028, 62405), (1285, 49924), (1783, 35980), (1799, 35660), (2570, 24962), (3566, 17990), (3598, 17830), (5140, 12481), (7132, 8995), (7196, 8915)]