26794640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4999}}^1$

素因数の和:5079

約数の個数: 40

約数和(自身を含む): 63240000

約数和(自身を除く): 36445360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4999, 5360, 9998, 19996, 24995, 39992, 49990, 79984, 99980, 199960, 334933, 399920, 669866, 1339732, 1674665, 2679464, 3349330, 5358928, 6698660, 13397320, 26794640]

約数ペア:

[(1, 26794640), (2, 13397320), (4, 6698660), (5, 5358928), (8, 3349330), (10, 2679464), (16, 1674665), (20, 1339732), (40, 669866), (67, 399920), (80, 334933), (134, 199960), (268, 99980), (335, 79984), (536, 49990), (670, 39992), (1072, 24995), (1340, 19996), (2680, 9998), (4999, 5360)]