13397320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4999}}^1$

素因数の和:5077

約数の個数: 32

約数和(自身を含む): 30600000

約数和(自身を除く): 17202680

約数列:

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

約数ペア:

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