26703880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 69114240

約数和(自身を除く): 42410360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 337, 566, 674, 1132, 1348, 1415, 1685, 1981, 2264, 2359, 2696, 2830, 3370, 3962, 4718, 5660, 6740, 7924, 9436, 9905, 11320, 11795, 13480, 15848, 18872, 19810, 23590, 39620, 47180, 79240, 94360, 95371, 190742, 381484, 476855, 667597, 762968, 953710, 1335194, 1907420, 2670388, 3337985, 3814840, 5340776, 6675970, 13351940, 26703880]

約数ペア:

[(1, 26703880), (2, 13351940), (4, 6675970), (5, 5340776), (7, 3814840), (8, 3337985), (10, 2670388), (14, 1907420), (20, 1335194), (28, 953710), (35, 762968), (40, 667597), (56, 476855), (70, 381484), (140, 190742), (280, 95371), (283, 94360), (337, 79240), (566, 47180), (674, 39620), (1132, 23590), (1348, 19810), (1415, 18872), (1685, 15848), (1981, 13480), (2264, 11795), (2359, 11320), (2696, 9905), (2830, 9436), (3370, 7924), (3962, 6740), (4718, 5660)]