68956810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1063}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 134064000

約数和(自身を除く): 65107190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 1063, 2126, 2495, 4990, 5315, 6487, 10630, 12974, 13819, 27638, 32435, 64870, 69095, 138190, 530437, 1060874, 2652185, 5304370, 6895681, 13791362, 34478405, 68956810]

約数ペア:

[(1, 68956810), (2, 34478405), (5, 13791362), (10, 6895681), (13, 5304370), (26, 2652185), (65, 1060874), (130, 530437), (499, 138190), (998, 69095), (1063, 64870), (2126, 32435), (2495, 27638), (4990, 13819), (5315, 12974), (6487, 10630)]